| evaluation of insecticide smears for the control of screw-worm fly, chrysomya bezziana, in papua new guinea. | three new insecticide smear preparations for the control of chrysomya bezziana larvae infesting wounds of cattle have been tested under field and laboratory conditions and compared with an established preparation eq 335 which is based on 3% lindane. two preparations based on 3% coumaphos proved comparable to eq 335 in the field trials and exhibited more prolonged residual effectiveness in laboratory tests. a smear preparation based on 2.5% methoxychlor was only effective in controlling 1 and 2 d ... | 1976 | 61754 |
| nucleolar fragmentation in polytene trichogen cells of lucilla cuprina and chrysomya bezziana (diptera: calliphoridae). | the location of genes coding for 18s and 28s ribosomal rna in mitotic and polytene cells of lucilia cuprina and chrysomya bezziana was investigated using in situ hybridization of an 18 + 28s ribosomal gene probe and silver staining. in both species ribosomal genes were localized to secondary constriction regions in sex chromosome heterochromatin. in l. cuprina mitotic cells the probe hybridizes to a distal secondary constriction region in the short arms of the x and y chromosomes. in c. bezziana ... | 1992 | 1618388 |
| polytene chromosomes of the old world screwworm fly (chrysomya bezziana) and its evolutionary relationships with lucilia cuprina and cochliomyia hominivorax (diptera: calliphoridae). | standard polytene chromosome maps for the old world screwsworm fly, chrysomya bezziana, are presented. good quality polytene chromosomes obtainable from pupal trichogen cells allow detailed analysis of autosomal euchromatin. the sex chromosomes are represented by irregular heterochromatic structures resembling those described previously in trichogen polytene chromosomes of the australian sheep blowfly, lucilia cuprina. a high degree of homology with the banding pattern of l. cuprina polytene chr ... | 1992 | 1618389 |
| human cutaneous myiasis due to mixed infestation in a drug addict. | soft tissue infestation by maggots of flies (myiasis) is a well-recognized complication of neglected wounds. mixed infestation by larvae of more than one species of fly is a rarity. we report, for the first time in india, one such case of cutaneous myiasis due to mixed infestation--in this instance by chrysomya bezziana and sarcophaga sp. in a drug addict. | 1991 | 1746983 |
| the efficacy of insecticides against the screw-worm fly (chrysomya bezziana). | a number of insecticides used for ectoparasite control in the livestock industry were screened for their efficacy against larvae of the screw-worm fly, chrysomya bezziana, using in vivo and laboratory tests. proprietary screw-worm fly treatments (after exposure to outdoor conditions for up to 10 days) were also tested against eggs and adults of c bezziana. three of these were also evaluated on naturally acquired screw-worm infestations. residual protection was generally of short duration. among ... | 1991 | 1755786 |
| spread in south africa of the oriental latrine fly chrysomya megacephala. (fabricius) (diptera: calliphoridae), an introduced species closely resembling chrysomya bezziana villeneuve. | chrysomya megacephala, also known as the oriental latrine fly, is indigenous to south-east asia. during the 1970's it successfully invaded africa and south america, and more recently during the 1980's also established itself in the united states of america. although the first specimens from south africa were collected from the south-western cape province in 1978, no published data appears to exist on its subsequent spread or status in southern africa. during may 1991 a specimen of c. megacephala ... | 1991 | 1780133 |
| cytological characterisation of heterochromatin in mitotic and meiotic chromosomes of the old world screwworm fly, chrysomya bezziana (diptera: calliphoridae). | mitotic and meiotic chromosomes of the old world screwworm fly, chrysomya bezziana, were studied using c-banding and quinacrine and counterstain-enhanced fluorescence techniques. the five autosomes in the karyotype are evenly graded in size, with somewhat variable arm ratios. distinguishing all autosomes on these features alone can be difficult. c-banding produces small centromeric bands in the autosomes, whereas the much longer x and y chromosomes have extensive dark c-band blocks with intermed ... | 1991 | 1783303 |
| testing of an electrocutor trap for screw-worm fly chrysomya bezziana. | | 1991 | 1953552 |
| report on a sterile insect release trial for the control of the old world screw-worm fly chrysomya bezziana in papua new guinea. | | 1991 | 1953553 |
| the use of irradiated embryos of chrysomya bezziana for the detection of the old world screw-worm fly. | irradiation of chrysomya bezziana embryos 1 h before hatching with doses less than or equal to 7 kilorad (kr) had a significant effect on percentage egg hatch, weights and survival of larvae. doses greater than or equal to 1 kr allowed larval development to the end of the 3rd instar stage in vitro, but prevented normal pupal development. cattle with wounds infested with 1st instar larvae derived from irradiated embryos had 3rd instar larvae present after 3 d but these failed to pupate. thus it w ... | 1990 | 2076069 |
| efficacy of closantel against infestations of screw-worm fly chrysomya bezziana. | | 1990 | 2264811 |
| inhalant allergy following occupational exposure to blowflies. | an allergic reaction, provoked by exposure to the blowfly lucilia cuprina and shown to be ige-mediated, occurred in a subject employed in an entomological research laboratory. the subject's serum, and sera from three other asthmatic patients with ige antibodies to blowfly extracts, also reacted with extracts from the screw-worm fly (chrysomya bezziana). results suggested that antigens from the two species share immunological cross-reactivity. cross-reactions also exist between the different deve ... | 1986 | 2420484 |
| use of insecticides to control screw-worm fly strike by chrysomya bezziana in cattle. | some insecticides to control and prevent screw-worm fly strike by chrysomya bezziana in calves and adult cattle were tested in field trials on cattle in sabah, east malaysia. ivermectin injected subcutaneously in newborn calves at 200 mu/kg provided 10 days protection from screw-worm fly strike, which allowed navels to dry. ivermectin, 1% dichlofenthion plus gentian violet and 3% lindane plus pine oil smear were all effective in preventing re-strike of treated wounds in adult cattle. a single su ... | 1987 | 2439062 |
| the potential geographical distribution of the old world screw-worm fly, chrysomya bezziana. | the potential geographical distribution and relative abundance of the old world screw-worm fly, chrysomya bezziana villeneuve (diptera: calliphoridae) as determined by climate, was assessed using climex, a computer program for matching climates. climex describes the relative growth and persistence of animal populations in relation to climate. the observed global distribution of c.bezziana was compared with the potential distribution predicted by climex. the differences in the two distributions i ... | 1989 | 2519672 |
| occurrence of the old world screw-worm fly chrysomya bezziana on livestock vessels and commercial aircraft. | | 1989 | 2712780 |
| the effect of the bont tick (amblyomma hebraeum) on the weight gain of africander steers. | the effects of the bont tick amblyomma hebraeum on the productivity of cattle need to be quantified in order to design economically optimal control programs. liveweight gains (lwgs) of three groups of africander steers, maintained in the same pasture and exposed to zero, medium or high numbers of larvae, nymphs and adults of the tick, were measured. larvae and nymphs had no significant effect on lwg but adults had a large, statistically significant effect (p less than 0.05). the tick-free group ... | 1989 | 2815542 |
| the effect of the brown ear-tick rhipicephalus appendiculatus on the growth of sanga and european breed cattle. | the effects of larvae, nymphs and adults of the brown ear-tick rhipicephalus appendiculatus on the growth of bos indicus x b. taurus (sanga) steers and on b. taurus steers and heifers was measured by exposing groups, maintained in the same pastures, to different levels of tick challenge. larvae and nymphs had no significant effect on liveweight gains, but adults had a large effect. each engorging female tick counted was associated with a loss of 4 g. their effect on the sanga cattle was minimise ... | 1988 | 3245108 |
| the efficacy of ivermectin against larvae of the screw-worm fly (chrysomya bezziana). | an in vitro technique for screening systemic insecticides against larvae of the screw-worm fly, chrysomya bezziana is described. susceptibilities of screw-worm larvae of different ages to ivermectin (mk-933) were determined. based on 24 h larval mortality, the ld50 of 1-,2-,3-,4- and 5-day larvae was 0.01, 0.02, 0.03, 0.2 and 0.4 ppm of ivermectin. ld50 based on adult emergence following treatment of 4- and 5-day larvae was 0.02 and 0.05 ppm. the ld99.9 for 4-day larvae based on 24 h larval mort ... | 1985 | 3840994 |
| the efficacy of some acaricides against screw-worm fly larvae. | thirteen acaricides used for control of cattle tick in queensland were evaluated for their potential in the chemical control of the screw-worm fly, chrysomya bezziana. laboratory evaluations and in vivo tests using artificially infested cattle were made in papua new guinea. most of the acaricides caused some mortality of screw-worm larvae in infested cattle and in laboratory tests. acaricides of the organophosphorous, carbamate and organophosphorous/synthetic pyrethroid groups showed reasonable ... | 1983 | 6838439 |
| chrysomya bezziana: pathology of old world screw-worm fly infestations in cattle. | | 1980 | 7371739 |
| urogenital myiasis caused by chrysomya bezziana (diptera: calliphoridae) in peninsular malaysia. | a case of urogenital myiasis caused by chrysomya bezziana (diptera: calliphoridae) was diagnosed in a 76-year old patient who had carcinoma of the rectum. a total of 35 larvae were obtained from ulcers near the external genitalia and urethra opening. larvae pupated within 1 to 2 days and 6 days later emerged as adult males. these were identified as chrysomya bezziana. female flies possibly attracted by the fetid odour, laid eggs in the existing lesions in the urogenital area, the larvae invading ... | 1980 | 7444582 |
| differential replication of heterochromatin in polytene chromosomes of the old world screw-worm fly, chrysomya bezziana (diptera: calliphoridae), analysed by fluorescence staining. | the distribution and replication of heterochromatin in polytene trichogen chromosomes of the old world screw-worm fly, chrysomya bezziana, were studied using fluorescent staining techniques. quinacrine and distamycin-dapi, which selectively stain at-rich dna, and chromomycin, specific for gc-rich sequences, were used. bright quinacrine and da-dapi fluorescence was found in the sex chromosome body and in all autosomal centromere regions. chromomycin (cma) staining results in very little bright fl ... | 1994 | 7520813 |
| [myiases of economic importance]. | a simplified list of the principal diptera capable of causing myiasis is followed by a brief presentation of the biology, lesions inflicted, and methods of treatment and control of the myiases of economic importance. cochliomyiasis caused by cochliomyia hominivorax is of greatest interest, in view of the damage and losses caused by this disease. a brief account of the outbreak of infestation in libya illustrates the danger of this parasite. other important traumatic myiases are described: that d ... | 1994 | 7711305 |
| dispersal of the old world screw-worm fly chrysomya bezziana. | dispersal of the old world screw-worm fly, chrysomya bezziana villeneuve, was studied in papua new guinea by releasing radio-isotope labelled, laboratory-reared flies and collecting their labelled egg masses from sentinel cattle. a log-linear model was developed to describe recapture rate. distance was found to dominate the model and was represented by a bilinear ('broken-stick') term as log-distance. further terms in the model such as attractiveness of the site (estimated from the number of non ... | 1995 | 7787224 |
| comparison of the predicted impact of a screwworm fly outbreak in australia using a growth index model and a life-cycle model. | the spatial population dynamics of an old world screwworm fly, chrysomya bezziana villeneuve (ows), outbreak in australia have been modelled in two ways. the first model uses weekly growth indices derived from climatic data to predict the adult female population. the second is a detailed cohort life-cycle model. due to technical and time constraints, the growth index model is preferred as the biological component of a much larger bioeconomic model because of its smaller program size and faster e ... | 1994 | 7949320 |
| cytogenetic variation in natural populations of the old world screwworm fly chrysomya bezziana (diptera: calliphoridae). | the existence of sibling species in the old world screwworm fly chrysomya bezziana would raise serious problems in eradicating this pest if it entered australia. cytogenetic variation in c. bezziana was investigated by analyzing pupal trichogen polytene chromosomes. natural populations of c. bezziana spanning its range from southern africa to papua new guinea were examined as well as hybrids between a new guinea laboratory strain and natural populations. no evidence of sibling species was found. ... | 1994 | 8034179 |
| myiasis in leprosy. | during the 1989-1991 year period, leprosy patients with various ulcers, attending the surgical o.p.d. at cjil, agra were seen. of these, 64 cases were found to be infested with maggots. live maggots were collected in all cases from different sites viz. nasal cavity, hand, great toe and second toe. it was possible to rear the maggots into flies in 53 out of 64 cases. in 11 cases the maggots did not survive and died in the early part of their life cycle. four different types of flies were identifi ... | 1993 | 8213049 |
| mean life expectancy of old world screwworm fly, chrysomya bezziana, inferred from the reproductive age-structure of native females caught on swormlure-baited sticky traps. | the reproductive status of native (wild) screwworm fly, chrysomya bezziana, caught on swormlure-baited sticky traps in papua new guinea is described. a total of 1122 females and 25 males were trapped. of these females 595 were scored for insemination status and stage of ovarian development (on a scale of 2-10) of which 20% were in suitable condition for assignment to first, second and third ovarian cycles. of the nulliparous females, only 17% were inseminated at stage 3 of ovarian development, 7 ... | 1993 | 8481531 |
| effects of immunisation against theileria parva on beef cattle productivity and economics of control options. | over 500 cattle of all age groups on 2 farms in zimbabwe were immunised against theileriosis using the "infection and treatment" method and disease prevalence and their productivity assessed during a period of 18 months. the immunising stock, theileria parva (boleni) was isolated in zimbabwe. none of the immunised cattle suffered from theileriosis upon natural exposure whereas 22 unimmunised cattle died of theileriosis and a further 48 required treatment for theileriosis. in the first year, some ... | 1996 | 8815619 |
| expression of angiotensin-converting enzyme-related carboxydipeptidases in the larvae of four species of fly. | hieace, a soluble 70 kda protein related to the angiotensin-converting enzyme (ace) has recently been identified, characterized and cloned from the adult buffalo fly (haematobia irritans exigua). hieace is enzymatically similar to the mammalian aces and its predicted amino acid sequence has 42% identity with the mammalian testicular aces. in adult h.i. exigua, hieace expression is restricted to the compound ganglion and posterior midgut, and the maturing male reproductive system. western blot an ... | 1997 | 9219369 |
| the effects of the brown ear-tick, rhipicephalus appendiculatus, on milk production of sanga cattle. | lactating sanga cows of the mashona breed from zimbabwe, receiving either a low or high level of nutritional supplement, were exposed to two levels of infestation of adults of the brown ear-tick, rhipicephalus appendiculatus in the highveld of zimbabwe. the effect of the ticks on the milk yield was measured over an 11-week period during the rainy season from january to april 1986. a technique in which calves were weighed before and after suckling was used to estimate milk yield. there were signi ... | 1997 | 9226644 |
| [first algerian case of human otomyiasis from chrysomya bezziana]. | in algeria, human myiasis, essentially ophtalmomyiasis, are known for a long time. most of cases are due to oestrus ovis. in this papers the authors report, in a shepherd, the first case of otomyiasis due to chrysomya bezziana larvae, a species still unknown in north africa. this observation which indicates the presence of the species in a northern part of algeria is also the first report of the insect outside of its endemic traditional area. | 1997 | 9410251 |
| case studies of emergency management of screwworm. | screwworm myiasis, caused by infestation of even minor wounds by the obligative parasitic larval stages of the new world screwworm (nws) (cochliomyia hominivorax) or old world screwworm (ows) (chrysomya bezziana) flies, is a major cause of livestock morbidity and mortality in tropical and sub-tropical regions of the world. the two parasites occur in different hemispheres but are remarkably homologous. animal health emergencies result from the invasion of new territories by the parasites or, in t ... | 1999 | 10190211 |
| immunological control of ectoparasites: past achievements and future research priorities. | recombinant vaccines are available for the control of the tick boophilus microplus, while progress has been made in the development of vaccines against lucilia cuprina and chrysomya bezziana. literature suggests that the control of other ectoparasites is feasible, either through the duplication in a vaccine of naturally acquired immunity or through 'concealed' antigen vaccines. major deficiencies in our current knowledge however point to possible research opportunities for the future. the identi ... | 1999 | 10596752 |
| identification and characterisation of the excreted/secreted serine proteases of larvae of the old world screwworm fly, chrysomya bezziana. | serine proteases are the major proteolytic activity excreted or secreted from chrysomya bezziana larvae as demonstrated by gelatin gel analyses and the use of specific substrates, benzoyl-arg-p-nitroanilide and succinyl-ala-ala-pro-phe-p-nitroanilide. serine proteases were identified through their inhibition by 4-(2-aminoethyl)-benzene sulphonyl fluoride and classified as trypsin- and chymotrypsin-like on the basis of inhibition by tosyl-l-lysine chloromethyl ketone and tosyl-l-phenylalanine chl ... | 2000 | 10856504 |
| vaccination against the old world screwworm fly (chrysomya bezziana). | chrysomya bezziana is an endemic pest of livestock or a threat to livestock production in large areas of africa, the middle east, southern and south-east asia and australia. its control is difficult. the feasibility of vaccinating against this pest has now been explored. in-vitro and in-vivo assays have been established. using these assays, it has been shown that first instar larvae, third instar peritrophic membrane and cardia are all sources of material able to induce immunological reactions i ... | 2000 | 11116434 |
| efficacy of macrocyclic lactones for the control of larvae of the old world screw-worm fly (chrysomya bezziana). | to assess the efficacy of four macrocyclic lactones for the control of larvae of the old world screw-worm fly (ows), chrysomya bezziana, and to examine the effects of excreted residues on the dung fauna. | 2001 | 11256283 |
| a novel family of chitin-binding proteins from insect type 2 peritrophic matrix. cdna sequences, chitin binding activity, and cellular localization. | the peritrophic matrix is a prominent feature of the digestive tract of most insects, but its function, formation, and even its composition remain contentious. this matrix is a molecular sieve whose toughness and elasticity are generated by glycoproteins, proteoglycans, and chitin fibrils. we now describe a small, highly conserved protein, peritrophin-15, which is an abundant component of the larval peritrophic matrices of the old world screwworm fly, chrysomya bezziana, and sheep blowfly, lucil ... | 2001 | 11278497 |
| identification and molecular characterisation of a peritrophin gene, peritrophin-48, from the myiasis fly chrysomya bezziana. | the peritrophic matrix lines the midgut of most insects and has important roles in digestion, protection of the midgut from mechanical damage and invasion by micro-organisms. although a few intrinsic peritrophic matrix proteins have been characterised, no direct homologues of any of these proteins have been found in other insect species, even closely related species, suggesting that the peritrophic matrix proteins show considerable sequence divergence. we now report the identification of the cdn ... | 2001 | 11439251 |
| biochemical and molecular characterization of serine proteases from larvae of chrysomya bezziana, the old world screwworm fly. | the diversity of serine proteases secreted from chrysomya bezziana larvae was investigated biochemically and by pcr and sequence analysis. cation-exchange chromatography of purified larval serine proteases resolved four trypsin-like activities and three chymotrypsin-like activities as discerned by kinetic studies with benzoyl-arg-p-nitroanilide and succinyl-ala-ala-pro-phe-p-nitroanilide. amino-terminal sequencing of the three most abundant fractions gave two sequences, which were homologous to ... | 2001 | 11520682 |
| old world screwworm fly, chrysomya bezziana, occurs as two geographical races. | a morphological and molecular analysis was undertaken with the objective of identifying markers for geographical populations of old world screwworm flies, chrysomya bezziana villeneuve (diptera: calliphoridae). the morphological analysis involved 192 adult flies from 14 countries, and the molecular analysis involved 45 larvae or adults from 14 populations in 11 countries. principal components and cluster analysis of 10 morphological characters indicated that flies from papua new guinea (png) wer ... | 2001 | 11776458 |
| a case of oral myiasis due to chrysomya bezziana. | chrysomya bezziana is a causative agent of obligatory myiasis. we report the first case of human infestation of chrysomya bezziana in hong kong in an 89-year-old woman who had previously had a stroke. one day after hospital admission for fever, a small fissure at the labial gingiva of the upper incisors and several ulcerative lesions at the hard palate were noticed during routine mouth care. a live maggot was seen protruding from the small fissure. in the following few days, a total of seven mag ... | 2003 | 14660813 |
| chrysomya bezziana in pet dogs in hong kong: a potential threat to australia. | the old world screwworm fly (chrysomya bezziana) has recently been causing aggressive myiasis in pet dogs in hong kong, and the agriculture, fisheries and conservation department of hong kong has confirmed the presence of chrysomya bezziana in the territory. this report describes screwworm infestation in pet dogs presented for treatment at our clinic in the past year. screwworm fly larvae were found in typically punched out round wounds or embedded in exposed or neglected wounds. infested wounds ... | 2003 | 15080442 |
| myiasis in sheep farms in riyadh region, saudi arabia. | during a survey for myiasis in riyadh region, 3712 sheep were examined. 73 animals (2%) were infested with different dipterous larvae. out of the 115 larvae recovered, 100 larvae (87%) were chrysomya bezziana, 10 (8.7%) were c. albiceps, and 5 (4.3%) were wohlfahrtia nuba. the prevalence rate of larval myiasis among young sheep was 60%, and 40% among adults. the myiasis incidences were highest during mar-may (60%) and sept-nov (31.5%) where temperature and r.h. are optimum. in the dry hot season ... | 2004 | 15125523 |
| retrospective study of old world screwworm fly (chrysomya bezziana) myiasis in 59 dogs in hong kong over a one year period. | this retrospective study examined the case records of old world screw-worm fly myiasis in dogs in hong kong's new territories. myiasis due to owswf was identified and treated in 59 dogs at our clinic over a period of 1 year. signalment, causes of initial wound, and treatments implemented, are reported. all cases recovered from myiasis with a combination of larvae removal and wound debridement, antibiotics, and topical and systemic insecticides. whilst this parasite is currently exotic to austral ... | 2004 | 15149070 |
| factors affecting abundance and oviposition rates of a field population of the old world screw-worm fly, chrysomya bezziana (diptera: calliphoridae). | sentinel cattle and a grid of swormlure-baited sticky traps were used to monitor a malaysian population of the old world screw-worm fly, chrysomya bezziana villeneuve. observations were carried out on an isolated cattle station at monthly intervals during the period august 1996 to june 2000. the number of flies caught was unaffected by weather conditions at the time of trapping, but was positively correlated with the total rainfall and the average daily air temperature prevailing 15-28 days earl ... | 2004 | 15301701 |
| retrospective study of old world screw-worm fly (chrysomya bezziana) myiasis in 59 dogs in hong kong over a one year period. | | 2004 | 15359961 |
| incidence of chrysomya bezziana screw-worm myiasis in saudi arabia, 1999/2000. | | 2005 | 15789652 |
| parasitic zoonoses in papua new guinea. | relatively few species of zoonotic parasites have been recorded in humans in papua new guinea. a greater number of potentially zoonotic species, mostly nematodes, occur in animals but are yet to be reported from humans. protozoa is the best represented group of those infecting man, with giardia duodenalis, cryptosporidium parvum, cyclospora cayetanesis, toxoplasma gondii, sarcocystis spp., entamoeba polecki, balantidium coli and, possibly, blastocystis hominis. the only zoonotic helminths infect ... | 2005 | 15831107 |
| myiasis by chrysomya bezziana in surgical pathology. | | 2005 | 15875739 |
| seasonality of old world screwworm myiasis in the mesopotamia valley in iraq. | following the first recorded introduction of the old world screwworm fly (ows), chrysomya bezziana villeneuve (diptera: calliphoridae), into the mesopotamia valley in iraq in september 1996, cases of livestock myiasis caused by ows developed a distinctly seasonal pattern. the annual cycle of clinical ows cases is explained here on the basis of environmental variables that affect the different life-cycle stages of c. bezziana. this analysis suggests that low temperatures restricted pupal developm ... | 2005 | 15958023 |
| unusual cases of human myiasis due to old world screwworm fly acquired indoors in hong kong. | myiasis is the infestation of tissue by the larvae of flies. we report eight cases of human myiasis in hong kong. all patients were nursing home residents with an average age of 81.8 years. seven patients were bedridden with advanced dementia. four patients had pre-existing wounds. five had poor oral hygiene and four of those were on tube feeding. all of the five patients with poor oral hygiene suffered from oral myiasis. two patients had vaginal infestations and one had wound myiasis in his dia ... | 2005 | 16154168 |
| observations of the third instar larva and puparium of chrysomya bezziana (diptera: calliphoridae). | observations on the ultrastructure of the third instar larva and puparium of the old world screw-worm fly, chrysomya bezziana, are presented utilizing both light microscopy (lm) and scanning electron microscopy (sem). results of this study indicate that the shape of the intersegmental spines between the pro- and mesothorax markedly differ from other blow fly species (chrysomya megacephala, chrysomya rufifacies, chrysomya nigripes, lucilia cuprina) in being broad-based with sharp recurved tips. o ... | 2006 | 16732438 |
| a case of human nasopharyngeal myiasis caused by chrysomya bezziana villeneuve, 1914 (diptera: calliphoridae) in malaysia. | | 2005 | 16880761 |
| chrysomya bezziana: a rare infestation of the breast. | | 2007 | 17461907 |
| a case of auricular myiasis in malaysia. | many cases of myiasis have been reported in malaysia. this is the second reported case of auricular myiasis caused by chrysomya bezziana. the patient was a 41-year-old, mentally retarded, orang asli man. he was brought to the clinic by his mother with a complaint of pain and bleeding in his right ear for 3 days. on examination, blood and multiple maggots were seen packed in the external auditory canal of the right ear. a total of 39 live maggots were removed and maintained until they developed i ... | 2006 | 17547059 |
| forensic entomology cases in thailand: a review of cases from 2000 to 2006. | this paper presents and discusses 30 cases of cadavers that had been transferred for forensic entomology investigations to the department of forensic medicine, faculty of medicine, chiang mai university, northern thailand, from 2000 to 2006. variable death scenes were determined, including forested area and suburban and urban outdoor and indoor environments. the fly specimens found in the corpses obtained were the most commonly of the blow fly of family calliphoridae, and consisted of chrysomya ... | 2007 | 17647017 |
| cytogenetic variation in natural populations of the old world screwworm fly chrysomya bezziana (diptera: calliphoridae). | the existence of sibling species in the old world screwworm fly chrysomya bezziana would raise serious problems in eradicating this pest if it entered australia. cytogenetic variation in c. bezziana was investigated by analyzing pupal trichogen polytene chromosomes. natural populations of c. bezziana spanning its range from southern africa to papua new guinea were examined as well as hybrids between a new guinea laboratory strain and natural populations. no evidence of sibling species was found. ... | 1994 | 18470083 |
| public health importance of non-biting cyclorrhaphan flies. | this study was carried out to determine the role of non-biting cyclorrhaphan flies as carriers of human intestinal parasites at woreta, northwestern ethiopia. in total, 6530 flies were collected from four breeding sites and then examined for human intestinal parasites, mainly using the formol-ether concentration method. fly species identified were musca domestica (32.9%), chrysomya rufifacies (32.6%), musca sorbens (23%), lucina cuprina (4.7%), calliphora vicina (2.8%), chrysomya bezziana (2.3%) ... | 2009 | 18817940 |
| chrysomya bezziana infestation in a neglected squamous cell carcinoma on the face. | | 2009 | 19172044 |
| enabling technologies to improve area-wide integrated pest management programmes for the control of screwworms. | the economic devastation caused in the past by the new world screwworm fly cochliomyia hominivorax (coquerel) (diptera: calliphoridae) to the livestock industry in the u.s.a., mexico and the rest of central america was staggering. the eradication of this major livestock pest from north and central america using the sterile insect technique (sit) as part of an area-wide integrated pest management (aw-ipm) programme was a phenomenal technical and managerial accomplishment with enormous economic im ... | 2009 | 19335824 |
| phylogeography and recent emergence of the old world screwworm fly, chrysomya bezziana, based on mitochondrial and nuclear gene sequences. | a previous study had identified an african and an asian race of the old world screwworm fly, chrysomya bezziana villeneuve (diptera: calliphoridae), based on the 3' terminal 279 basepairs (bp) of the mitochondrial cytochrome b gene. the current study improved the phylogeographic resolution of cytochrome b for this species by characterizing more of the gene (the 3' terminal 715 bp) and by sampling more geographical populations, including oman, iran, hong kong and the indonesian islands of sulawes ... | 2009 | 19335829 |
| genetic diversity of populations of old world screwworm fly, chrysomya bezziana, causing traumatic myiasis of livestock in the gulf region and implications for control by sterile insect technique. | fly larvae were collected from 181 cases of traumatic myiasis in livestock in 10 regions of four countries in the middle east gulf region: iran, iraq, saudi arabia and oman. the predominant fly species responsible for cases was the old world screwworm (ows) fly, chrysomya bezziana villeneuve (diptera: calliphoridae). in cases from iran and oman, which included non-ows fly species, ows fly was found solely responsible for 67.6% of cases and jointly with other fly species for a further 12.7% of ca ... | 2009 | 19335830 |
| orbital myiasis complicating squamous cell carcinoma of eyelid. | myiasis is infestation of the body by fly maggots. immobile patients with skin wounds in exposed areas are at high risk of developing myiasis. we report a case of orbital myiasis from the species chrysomya bezziana complicating squamous cell carcinoma of the eyelid. magnetic resonance imaging of the orbit is useful for delineating the extent of the infestation and identifying residual maggots. in extensive orbital myiasis, exenteration is needed to prevent intracranial extension of tissue destru ... | 2010 | 20124577 |
| specific detection of the old world screwworm fly, chrysomya bezziana, in bulk fly trap catches using real-time pcr. | the old world screwworm fly (ows), chrysomya bezziana villeneuve (diptera: calliphoridae), is a myiasis-causing blowfly of major concern for both animals and humans. surveillance traps are used in several countries for early detection of incursions and to monitor control strategies. examination of surveillance trap catches is time-consuming and is complicated by the presence of morphologically similar flies that are difficult to differentiate from ch. bezziana, especially when the condition of s ... | 2010 | 20497318 |
| primary oral myiasis due to chrysomya bezziana treated with ivermectin. a case report. | primary oral myiasis due to chrysomya bezziana is a rare condition caused by invasion of tissues by larvae of the flies. a case of oral myiasis is presented in a 12 year old boy with neuro-degenerative disease with seizures. intra orally, a soft tissue pocket in the left buccal mucosa and a pocket under the palatal mucosa was seen containing maggots. extra orally indurated erythematous swelling was present near the commissure of the mouth. predisposing factors identified in the present case were ... | 2010 | 20578665 |
| cutaneous myiasis: a review of the common types of myiasis. | myiasis is derived from the greek word, myia, meaning fly. the term was first introduced by hope in 1840 and refers to the infestation of live human and vertebrate animals with dipterous (two-winged) larvae (maggots) which, at least for a certain period, feed on the host's dead or living tissue, liquid body-substance, or ingested food. myiasis is the fourth most common travel-associated skin disease and cutaneous myiasis is the most frequently encountered clinical form. cutaneous myiasis can be ... | 2010 | 20883399 |
| cutaneous myiasis caused by chrysomya bezziana larvae, mexico. | | 2010 | 21122252 |
| oral myiasis caused by chrysomya bezziana. | oral myiasis is a rare disease caused by larvae of certain dipteran flies. it is mostly reported in developing countries and in the tropics. herein, a case of oral myiasis in the maxillary anterior region of a 14-year-old mentally challenged boy is being reported. the myiasis was caused by the larvae of chrysomya bezziana species. the clinical findings are presented. etiology and the importance of oral health in special people are also discussed. | 2010 | 21180453 |
| chromoblastomycosis after a leech bite complicated by myiasis: a case report. | chromoblastomycosis is a chronic mycotic infection, most common in the tropics and subtropics, following traumatic fungal implantation. | 2011 | 21226934 |
| orofacial myiasis of the gingiva and nasal cavity: a report of two cases and general review. | background: infestation of the orofacial region with live maggots is a distressing condition and many clinicians are not aware of the existence of such an entity. usually the condition affects individuals who are debilitated, mentally challenged, and physically not able to attend to their personal needs because of lack of psychomotor coordination. methods: this article describes two cases of orofacial myiasis reported at a rural dental school in india. removal of the live maggots, supportive tre ... | 2011 | 21417584 |
| [autochthonous cutaneous myiasis due to chrysomya bezziana]. | | 2011 | 21419405 |
| myiasis arising in condylomata acuminata: an unusual presentation. | myiasis is infestation of skin, mucosa, orifices or natural cavities of humans or animals by larvae of flying dipterous insects that, at least for a certain period of their life cycle, feed from live or necrotic tissue of the host. the distribution is worldwide with more cases being reported from tropical, subtropical and warm temperate areas. this report describes a rare case of perianal condylomata acuminata complicated with myiasis due to chrysomya bezziana, seen in the presence of poor hygie ... | 2011 | 21515761 |
| the bioefficacy of crude extracts of azadirachta indica (meliaceae) on the survival and development of myiasis-causing larvae of chrysomya bezziana (diptera: calliphoridae). | myiasis is a type of parasitosis originating from the invasion of tissues of live humans and other vertebrates by dipteran larvae. the old world screwworm fly—chrysomya bezziana—is known worldwide in the tropical regions for causing myiasis among man and domestic animals, thereby leading to health hazards and severe economic losses to the dairy farmers. management techniques for controlling populations of the fly are needed to minimize these losses. plant-derived materials have been increasingly ... | 2016 | 26494546 |
| traumatic myiasis agents in iran with introducing of new dominant species, wohlfahrtia magnifica (diptera: sarcophagidae). | to study agents of animal wound myiasis in various geographical districts of fars province. | 2014 | 25182946 |
| spatial analysis of targeted surveillance for screw-worm fly (chrysomya bezziana or cochliomyia hominivorax) in australia. | to assess australia's targeted surveillance to detect an incursion of screw-worm fly (chrysomya bezziana). | 2014 | 24964835 |
| environmental and phylogeographical determinants of the distribution of the old world screwworm fly in indonesia. | the old world screwworm (ows) fly, chrysomya bezziana, is an obligate parasite of livestock, and the myiasis caused by its larval infestations is economically important in indonesia. the current spatial distribution of such a pest depends on two main factors: the current environmental conditions in which it can survive; and, its ability to occupy those environments by dispersal, which can be inferred from phylogeography and population genetics. these indicate that all ows flies in indonesia have ... | 2014 | 24927686 |
| combining cattle and wound-derived synthetic attractants, poc and bezzilure b, for sampling chrysomya bezziana in indonesia. | the myiasis fly chrysomya bezziana villeneuve (diptera: calliphoridae) is an obligate parasite of body orifices and unnatural openings or wounds of vertebrates. it is a major pest of livestock and responsible for economic losses throughout the old world. two chemical lures were tested in the present study to assess their effectiveness at trapping ch. bezziana. bezzilure b contains a synthetic lure of 2-mercaptoethanol originally identified from cattle wound volatiles. poc is a synthetic lure com ... | 2014 | 24754921 |
| cattle herd inspections and fly trapping for the detection of the old world screw-worm fly (chrysomya bezziana). | to compare the sensitivity of inspections of cattle herds and adult fly trapping for detection of the old world screw-worm fly (ows). | 2014 | 24471879 |
| field assessment of synthetic attractants and traps for the old world screw-worm fly, chrysomya bezziana. | the performance of newly developed trapping systems for the old world screw-worm fly, chrysomya bezziana has been determined in field trials on cattle farms in malaysia. the efficacy of non-sticky traps and new attractants to trap c. bezziana and non-target flies was compared with the standard sticky trap and swormlure. the optimal trap was a modified lucitrap(®) with a new attractant mixture, bezzilure-2. the lucitrap/bezzilure-2 caught on average 3.1 times more c. bezziana than the sticky trap ... | 2012 | 22575279 |
| dataset of traumatic myiasis observed for three dominant screw worm species in north west pakistan with first report of wohlfahrtia magnifica (schiner). | regional surveys were carried out in different parts of north west pakistan among domestic animals (n=57,921) including pets and livestock identifying cases of traumatic myiasis (n=1037). a total of four surveys focused general livestock population during eid ul adha (eid surveys; incidence=1.21%) while another four surveys (miscellaneous surveys; incidence=7.34%) targeted animal population brought to veterinary hospitals and dispensaries. timeframe spanned four years from 2012 to 2015. maggots ... | 2016 | 27570812 |
| phylogenetics of the old world screwworm fly and its significance for planning control and monitoring invasions in asia. | phylogenetic, genealogical and population relationships of chrysomya bezziana, the old world screwworm fly (owsf), were inferred from dna sequences of mitochondrial cytochrome b (cyt b), nuclear elongation factor-1α (ef-1α) and nuclear white eye colour (white), using sequences of chrysomya megacephala and chrysomya rufifacies as outgroups. cyt b (717bp, 754 specimens), ef-1α (361bp, 256 specimens) and white (577bp, 242 specimens) were analysed from up to two african and nine asian countries, inc ... | 2012 | 22664061 |
| evaluation of the influence of the antibiotic ciprofloxacin in the development of an old world screwworm fly, chrysomya putoria. | chrysomya putoria (wiedemann) (diptera: calliphoridae), an old world screwworm fly, is a species with potential for maggot therapy practice and has been described in myiasis and forensic entomology studies. the objective of the present study was to assess the action of different ciprofloxacin concentrations on the growth and development of c. putoria. first instar maggots of the third generation were raised on 60 g of chicken gizzard homogenate in 65% agar diet and received ciprofloxacin chlorid ... | 2014 | 25373150 |
| traumatic myiasis in free-ranging eland, reported from kenya. | for centuries, immature stages of dipterans have infested humans and animals, resulting in a pathological condition referred to as myiasis. myiases are globally distributed but they remain neglected diseases in spite of the great medical and veterinary importance. moreover, there is a paucity of information on the clinical-pathology and/or epidemiology of the infestation, especially in african free ranging wildlife. | 2013 | 23566876 |
| distribution modeling of three screwworm species in the ecologically diverse landscape of north west pakistan. | north west pakistan (nwp) is characterized by four eco-zones: northern montane region, north western hills, submontane region and indus plains. present study identified 1037 cases of traumatic myiasis in the region during 2012-2015. screw worm larvae were classified as 12 species: chrysomya bezziana (villeneuve), chryomya megacephala (fabricius), chrysomya rufifacies (macquart), lucilia cuprina (wiedemann), lucilia sericata (meigen), lucilia illustris (meigen), lucilia porphyrina (walker), hemip ... | 2016 | 27311386 |
| ultrastructure of male genitalia of blow flies (diptera: calliphoridae) of forensic importance. | male genitalia of blow flies (diptera: calliphoridae) are distinctive in their morphological features and are often used for species identification. the aim of this work was to investigate the male genitalia of blow flies of medical and forensic importance from thailand at the ultrastructural level, using scanning electron microscopy (sem). flies in two subfamilies were examined: chrysomyinae [chrysomya bezziana villeneuve, chrysomya chani kurahashi, chrysomya nigripes aubertin, chrysomya pingui ... | 2017 | 29248415 |
| prophylactic and therapeutic efficacy of australian-registered insecticide formulations against old world screwworm (chrysomya bezziana) infestation. | to determine the prophylactic and therapeutic efficacy of australian-registered insecticide formulations against old world screwworm (ows) myiases for potential use in screwworm containment and eradication programs. | 2017 | 28749021 |
| nasal nosocomial myiasis infection caused by chrysomya bezziana (diptera: calliphoridae) following the septicemia: a case report. | a 74 yr old woman from gonabad, southern part of khorasan razavi province of iran was admitted to a hospital of gonabad, because of respiratory distress, exertional dyspnea and fever. close contact with domestic animals, history of chronic obstructive pulmonary disease (copd), and completely resolved pulmonary tuberculosis (tb) in remote past, were notable parts of her past medical history. due to clinical, paraclinical and radiographic findings and because of recent hospitalization, she was adm ... | 2017 | 28096867 |
| chrysomya bezziana (diptera: calliphoridae) infestation: case report of three dogs in malaysia treated with spinosad/milbemycin. | infestation of wounds with the larvae of callophorid flies is relatively common in countries where these parasites are found. the most common species associated with infections in southeast asia is chrysomya bezziana (ch. bezziana), the old world screw worm. treatment consists of either subcutaneous injection of ivermectin or oral administration of nitenpyram combined with aggressive tissue debridement under general anaesthesia. | 2017 | 27918123 |
| urinogenital myiasis from blow fly in a pakistani child. | herein is reported the first case of urogenital myiasis from peshawar, pakistan. third instar blow fly larvae were recovered from the urinogenital tract of a 5-year old female child. the larvae were identified as chrysomya bezziana(villeneuve), using light and scanning electron microscopic techniques. the study brings into focus the subject of human myiasis, about which little is known in pakistan. | 2016 | 27376215 |
| a case of secondary ophthalmomyiasis caused by chrysomya bezziana (diptera: calliphoridae). | myiasis is the invasion of vertebrates' tissue by the larvae of a fly of the order diptera. the objective of this paper is to present a rare case of secondary myiasis of ocular infestation by chrysomya bezziana. a 55-year-old female from sar village of mazandaran province, northern iran), referred to khatam al-anbia hospital of mashhad with extensive destruction of left orbital cavity. existence of larvae was the major complaint in recent months. some live larvae were removed from her destructed ... | 2015 | 26114150 |
| ocular myiasis caused by chrysomya bezziana - a case report. | ophthalmomyiasis can have variable presentation depending on the type of fly, structures involved, and level of penetration. a 42-year-old female presented with extensive myiasis of the right eye. a lesion of 3×2 cm was noted at the medial canthus and was infested with maggots. the larvae were removed meticulously and the wound debrided. the larva isolated was that of chrysomya bezziana (old world screwworm). computed tomography (ct) scan was normal. the wound was dressed regularly and healed by ... | 2015 | 25784787 |
| development and evaluation of male-only strains of the australian sheep blowfly, lucilia cuprina. | the australian sheep blowfly lucilia cuprina (wiedemann) is a major pest of sheep in australia and new zealand. from the 1960s to the 1980s there was a major effort to develop "field female killing" or ffk strains of l. cuprina that could be used for a cost-effective genetic control program. the ffk strains carried eye color mutations that were lethal to females in the field but not under conditions in the mass rearing facility. males did not die in the field as normal copies of the eye color ge ... | 2014 | 25472415 |
| occurrence of chrysomya bezziana in a buffalo in jammu. | cutaneous myiasis caused by the old world screw-worm fly, chrysomya bezziana, is a commonly occurring infestation of livestock and man in southeast asian and african countries. a buffalo, aged five years was presented with traumatic wound in the abnormal growth at the base of tail, housing maggots in it. based on morphological features, the collected larvae were identified as c. bezziana larvae. the first ever occurrence of c. bezziana in a buffalo from this part of country and its public health ... | 2014 | 25320496 |
| improved method for screening mitochondrial cytochrome b markers to identify regional populations of the old world screwworm fly and other myiasis agents. | a new protocol was developed to overcome obstacles to the high-throughput sequence analysis of the 716-717 nucleotides at the carboxyl terminal of the mitochondrial gene cytochrome b (cyt b) of the myiasis flies chrysomya bezziana and wohlfahrtia magnifica. for both of these obligate parasites, cyt b haplotypes provide diagnostic markers for phylogeographic populations, markers that identify the origins of emerging populations causing economically important myiasis in livestock and, in the case ... | 2014 | 25016294 |
| transgenic sexing system for genetic control of the australian sheep blow fly lucilia cuprina. | the new world screwworm and the australian sheep blowfly lucilia cuprina are devastating pests of livestock. the larvae of these species feed on the tissue of the living animal and can cause death if untreated. the sterile insect technique or sit was used to eradicate screwworm from north and central america. this inspired efforts to develop strains containing complex chromosomal rearrangements for genetic control of l. cuprina in australia. although one field trial was promising, the approach w ... | 2014 | 24928635 |
| oral myiasis caused by chrysomya bezziana in anterior maxilla. | oral myiasis is a rare pathology and is associated with poor oral hygiene, alcoholism, senility, suppurating lesions, and severe halitosis. it arises from invasion of body tissues or cavities of living animals by maggots or larvae of certain dipterian flies. it is mostly reported in developing countries and in the tropics. we hereby report a rare case of oral myiasis in a 70-year-old female with extensive necrotic oral lesion burrowing into the hard palate through which numerous live maggots (la ... | 2014 | 24872898 |
| use of wing morphometrics to identify populations of the old world screwworm fly, chrysomya bezziana (diptera: calliphoridae): a preliminary study of the utility of museum specimens. | the old world screwworm (ows) fly, chrysomya bezziana (diptera: calliphoridae), is a major economic and welfare problem for humans and animals in the old world tropics. using a bootstrapped log likelihood ratio test of the output of procrustes principal components and canonical variates analyses for a small sample of museum specimens from which 19 2d wing landmarks had been collected: (1) a consistent and statistically significant difference exists between landmark configurations derived from wi ... | 2014 | 24727206 |
| applying gis and population genetics for managing livestock insect pests: case studies of tsetse and screwworm flies. | the food and agriculture organization of the united nations (fao) and the international atomic energy agency (iaea) have supported a co-ordinated research project (crp) on 'applying gis and population genetics for managing livestock insect pests'. this six-year crp (2008-2013) focused on research aimed at under-pinning the area-wide integrated pest management (aw-ipm) of populations of tsetse and screwworm flies, and this introductory paper to the special issue integrates the findings of the crp ... | 2014 | 24713196 |
| applying gis and high performance agent-based simulation for managing an old world screwworm fly invasion of australia. | agent-based modelling has proven to be a promising approach for developing rich simulations for complex phenomena that provide decision support functions across a broad range of areas including biological, social and agricultural sciences. this paper demonstrates how high performance computing technologies, namely general-purpose computing on graphics processing units (gpgpu), and commercial geographic information systems (gis) can be applied to develop a national scale, agent-based simulation o ... | 2014 | 24705073 |