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[the importance of the musca domestica predator ophyra aenescens (diptera: muscidae). iv. biology and behavior of o. aenescens in facilities for animal production].report on biology and behaviour of ophyra aenescens on three pig fattening farms. even a high degree of infestation does not lead to a molestation of tending staff and pigs.19863740534
[the importance of the musca domestica antagonist ophyra aenescens (diptera: muscidae). i. the appearance of ophyra aenescens in animal production facilities].report on the occurrence of ophyra aenescens as a parasitoid of musca domestica in a pig fattening farm. discussion of the possible utilization of this antagonism for the non-chemical, integrated control of flies in large stables.19817337272
ophyra aenescens (l.) (diptera: muscidae) a new biological vector of dermatobia hominis (l. jr) (diptera: cuterebridae) in minas gerais, brazil. 199910029911
[post-embryonic development of ophyra aenescens (wiedemann, 1830) (diptera: muscidae) with different diets, under laboratory conditions].the performance of various diets (bovine meat, fish-sardine, shrimp, dog faeces, and banana) in ophyra aenescens development was evaluated. the biology was studied in an incubator (bod) at 27 +/- 1 degrees c and 80 +/- 10% of rh. the developmental time from larvae to adult, the developmental time and viability of larvae and pupae, the weight of pupae as well as the sex ratio of the emerging adults were also determined. beef and shrimp were the more efficient diets for rearing o. aenescens.199910029923
failure of hydrotaea aenescens, a larval predator of the housefly, musca domestica, to establish in wet poultry manure on a commercial farm in florida, usa.hydrotaea aenescens (weidemann) (diptera: muscidae) larvae and pupae were released in high-rise pullet houses in pascoe county, florida, u.s.a., for biological control of houseflies, musca domestica l. (diptera: muscidae), in three separate tests during a 14-month period (april 1994-may 1995) and did not become established. however, h. aenescens believed to be from our releases did become established at a caged-layer farm 0.3 km from the release farm. moisture in pullet house manure generally ex ...199910608222
isolation of salmonella spp. from the housefly, musca domestica l., and the dump fly, hydrotaea aenescens (wiedemann) (diptera: muscidae), at caged-layer houses.flies, especially houseflies, are widely recognized as potential reservoirs and vectors of foodborne salmonella pathogens. in this study, flies were collected at caged-layer facilities that had produced eggs that were implicated as the food vehicle in two recent outbreaks of salmonella enteritidis infections. the flies were separated by species into pools for microbiological testing. a total of 15 species pools of houseflies, musca domestica l., and 7 species pools of bronze dump flies, hydrotae ...200010914668
[pachycrepoideus vindemiae (hymenoptera: pteromalidae) as parasite of ophyra aenescens (diptera: muscidae) in brazil].the first occurrence of the parasitoid pachycrepoideus vindemiae on pupae of ophyra aenescens, a fly of medical-sanitary importance, is reported. a swine carcass was used as bait to collect the insects. in the study, 302 pupae of ophyra aenescens (wiedemann) (diptera: muscidae) were obtained, 6 (1.98%) of them yielded the parasitoid pachycrepoideus vindemiae (hymenoptera: pteromalidae200011105121
development of hydrotaea aenescens (diptera: muscidae) in manure of unweaned dairy calves and lactating cows.in laboratory studies performed in the united states and hungary, the dump fly hydrotaea aenescens (wiedemann) was reared successfully in manure of 1- to 8-wk-old dairy calves, and in manure from adult lactating dairy cows. survival in manure collected from 1-wk-old calves was poor (7.2%), better in manure collected from 2- and 3-wk-old calves (53.5%), and best in manure collected from 4- to 8-wk-old calves (71.4%). survival in cow manure was slightly lower (47.4%) than that in calf manure. reas ...200212020037
population dynamics of calyptrate diptera (muscidae and sarcophagidae) at the rio-zoo foundation, rio de janeiro, rj, brazil.twenty-seven species of calyptrate muscoids (muscidae and sarcophagidae) were collected from december 1993 to november 1994 with wind oriented traps (w.o.t.) baited with decomposing beef liver at the rio de janeiro zoo. the most abundant species found were musca domestica (57.84%), peckia chrysostoma (28.16%), ophyra aenescens (17.11%), oxysarcodexia thornax (17.82%), synthesiomyia nudiseta (13.05%), and oxysarcodexia diana (14.52%).200212489391
severe persistent orf in young goats.orf (contagious ecthyma) is a viral disease of small and wild ruminants, humans, and less frequently other species. in sheep and goats, the disease is characterized by the formation of vesiculo-proliferative lesions in the skin of lips and nostril. here, a form of generalized orf in 16 goat kids from 2 different locations in west texas is described. the disease was characterized by multifocal, severe, proliferative dermatitis that persisted from about 2 months of age until the goat kids were eut ...200314535541
parasitoids of ophyra aenescens (wiedemann) (diptera: muscidae): fly of medical-sanitary importance collected in state of goiás, brazil.the objective of the study was to report the first occurrence of the parasitoid brachymeria podagrica in pupae of ophyra aenescens, a fly of medical-sanitary importance. human feces was used as bait to collect the insects. in the study 20 pupae of ophyra aenescens (wiedemann) (diptera: muscidae) were obtained, of which 20% of the total yielded the parasitoid brachymeria podagrica (hymenoptera: chalcididae).200314576881
sequence change and phylogenetic signal in muscoid coii dna sequences.the complete dna sequence of the mtdna cytochrome oxidase ii gene from house fly, musca domestica, face fly, musca autumnalis, stable fly, stomoxys calcitrans, horn fly, haematobia irritans, and black garbage fly, hydrotaea aenescens, are reported. the nucleotide sequence codes for a 229 amino acid peptide. the coii sequence is a + t rich (74.1%), with up to 12.3% nucleotide and 8.4% amino acid divergence among the five taxa. of the 688 nucleotides encoding for the gene, 135 nucleotide sites (19 ...200314631656
detection of campylobacter and escherichia coli o157:h7 from filth flies by polymerase chain reaction.flies (diptera: muscidae) that breed in faeces and other organic refuse (filth flies) have been implicated as vectors of pathogenic bacteria including escherichia coli o157:h7, which cause haemorrhagic colitis in humans, and campylobacter, which is the principal causative agent of human enteritis. the potential role of filth flies in the epidemiology of these pathogens in the united states was investigated by examining the prevalence of campylobacter spp. and e. coli o157:h7 from two arkansas tu ...200415347391
the mitochondrial dna control region of muscidae flies: evolution and structural conservation in a dipteran context.the structure and evolution of the mtdna control region (cr) and its flanking genes in economically important dipterans from the family muscidae (brachycera: calyptratae), haematobia irritans, musca domestica, atherigona orientalis, and stomoxys calcitrans are presented in this paper, along with the description of short noncoding intergenic regions possibly related to cr flanking sequences in stomoxys calcitrans and ophyra aenescens mtdnas (scir and oair, respectively). s. calcitrans showed a la ...200717460806
identification of fly eggs using scanning electron microscopy for forensic investigations.forensic entomology is the science that studies the role of insects in decomposing corpses and one of the most common uses is to estimate the post-mortem interval (pmi) based on insect activity on a decomposing body. usually, flies are the first insects to reach a carcass and are able to oviposit on carrion within a few hours after death. scanning electron microscopy (sem) gives detailed information about morphological characters helping to identify the immature forms of flies and consequently s ...200818353656
influxed insects as vectors for campylobacter jejuni and campylobacter coli in danish broiler houses.the vector potential of flies (diptera: brachycera) for spread of campylobacter jejuni and campylobacter coli on 5 danish broiler farms was evaluated in a longitudinal field study from april to november 2004. first, the prevalence of c. jejuni- and c. coli-positive flies was determined in 2,816 flies captured from farm surroundings. each individual fly was macerated, preenriched in bolton broth for 24 h at 42 degrees c, streaked onto modified campylobater blood-free selective agar and incubated ...200818577626
host ranges of gregarious muscoid fly parasitoids: muscidifurax raptorellus (hymenoptera: pteromalidae), tachinaephagus zealandicus (hymenoptera: encyrtidae), and trichopria nigra (hymenoptera: diapriidae).attack rates, progeny production, sex ratios, and host utilization efficiency of muscidifurax raptorellus (kogan and legner) (hymenoptera: pteromalidae), tachinaephagus zealandicus ashmead (hymenoptera: encyrtidae), and trichopria nigra (nees) (hymenoptera: diapriidae) were evaluated in laboratory bioassays with five dipteran hosts: house fly (musca domestica l.), stable fly (stomoxys calcitrans l.), horn fly (hematobia irritans l.), black dump fly [hydrotaea aenescens (weidemann)] (diptera: mus ...200919508778
[dipterans of forensic interest in two vegetation profiles of cerrado in uberlândia, state of minas gerais, brazil].carrion breeding insects may be of great utility in crimes briefing. studies on forensic entomology are restricted to few localities in brazil and very few of them were done in the cerrado vegetation (a type of savannah) until now. this work aimed to survey the main species of dipterans associated with the decomposition process of sus scrofa and the insect succession pattern in carcasses in the cerrado. the study was carried out in the dry and humid season of the year, in two cerrado vegetation ...200920098935
decomposition and dipteran succession in pig carrion in central argentina: ecological aspects and their importance in forensic science.data on the insect species associated with corpse decomposition are particularly important for estimation of the post-mortem interval (pmi) in forensic science because the pmi is based on the lifecycle and behaviour of necrophagous insects, among other measures. to determine the dipteran succession on pig carrion, four experiments, one in each season, were carried out during 2004 in a rural area of córdoba, central argentina. two pigs (sus scrofa l.) were used in each of the four experiments. at ...201020377727
salivary gland hypertrophy virus of house flies in denmark: prevalence, host range, and comparison with a florida isolate.house flies (musca domestica) infected with musca domestica salivary gland hypertrophy virus (mdsghv) were found in fly populations collected from 12 out of 18 danish livestock farms that were surveyed in 2007 and 2008. infection rates ranged from 0.5% to 5% and averaged 1.2%. none of the stable flies (stomoxys calcitrans), rat-tail maggot flies (eristalis tenax) or yellow dung flies (scathophaga stercoraria) collected from mdsghv-positive farms displayed characteristic salivary gland hypertroph ...201122129394
insects breeding in pig carrion in two environments of a rural area of the state of minas gerais, brazil.the main objective of this study was to identify potential forensic indicators in the insect fauna associated with pig carrion and the pattern of insect succession during the decomposition process in two environments of a rural area in uberlândia, state of minas gerais, brazil. the study was conducted at two locations: in a pasture and in a fragment of a semi-deciduous forest (vegetation profile of the cerrado biome) in two different seasons (rainy and dry) of 2010. the decomposition process was ...201323949758
droppings from captive coturnix coturnix (galliformes: phasianidae) as a fly breeding resource.the aim of this study was to describe the fauna of flies associated with captive coturnix coturnix (l.) (galliformes: phasianidae) droppings. samples of 150 g of quail droppings were exposed in the quail house for 48 h in plastic containers to promote eventual access of flies, and then placed in emergence traps. the number of adults and species emerging was recorded daily. this procedure was carried out in spring 2008 and spring and autumn 2009. in total, 2,138 adults belonging to muscidae, call ...201425347840
ultrastructural studies of some character of diptera (muscidae) of forensically importance.insects are important in the decomposition of cadavers. in the field of forensic entomology, the taxonomic identification is essential to proceed to any procedure. the use of these insects in medico criminal investigation is the object of forensic entomological studies; the flies are generally attracted to cadavers and one of the most important contributions is to estimate the postmortem interval. the scanning electron microscopy, which allows rapid and accurate identification of character could ...201525451737
ultrastructure of immature stages of the black dump fly: ophyra aenescens (wiedemann, 1830) (diptera: muscidae: azeliinae).ophyra aenescens (black dump fly) originally belonged to the new world, however, now it is spread worldwide. this fly is a mechanical vector of some pathogenic microorganisms and eggs of the human botfly (dermatobia hominis). the adults are associated with decaying matter and the immature stages colonize animal and human corpses. it is considered an important muscid species for forensic entomology. the aim of this study was to describe the morphology of the eggs, the three larval instars and the ...201626943996
new records of forensic entomofauna in legally buried and exhumed human infants remains in buenos aires, argentina.the study of carrion fauna associated with buried human corpses from a forensic perspective could provide useful information in criminal investigations. insects and other arthropods remains sampled of 44 legally exhumed infant skeletons from la plata (buenos aires, argentina). they were identified at different taxonomic levels depending on the state of preservation. the specific diversity, abundance and frequency were analyzed and each taxon was assigned to the hypothetical colonization sequence ...201728963944
first record of the larval endoparasitoid tachinaephagus zealandicus (hymenoptera: encyrtidae) from fly hosts developing on burnt remains and in pennsylvania.adults of the gregarious larval endoparasitoid tachinaephagus zealandicus ashmead (hymenoptera: encyrtidae) were collected from two species of carrion-inhabiting flies, phormia regina meigen (diptera: calliphoridae) and hydrotaea aenescens wiedemann (muscidae), associated with the burnt remains of a domesticated pig, sus scrofa l. (artiodactyla: suidae), during late summer in south central pennsylvania. this represents the first reported occurrence of the wasp in the state and only the second in ...201626875188
entomofauna of a buried body: study of the exhumation of a human cadaver in buenos aires, argentina.this study focuses on insects and other arthropods sampled on the exhumation of an infant skeleton belonging to 'prof. dr. rómulo lambre' skeletal collection. the body was buried in soil inside a wooden coffin in a grave 40cm deep, in autumn, and stored in the cemetery deposit after exhumation. death records were obtained from the cemetery archive. samples of faunal remains were recovered from wrappings, clothes, bones and soil samples, and were identified at different taxonomic levels depending ...201424530940
gc-ms analysis of cuticular lipids in recent and older scavenger insect puparia. an approach to estimate the postmortem interval (pmi).an analytical method was developed to characterize puparia cuticular lipids (hydrocarbons, waxes) and to compare the molecular distribution patterns in the extracts from either recent or older puparia. acid-catalyzed transesterification and solvent extraction and purification, followed by combined gas chromatography coupled to mass spectrometry, were optimized for the determination of hydrocarbons and fatty acid ethyl esters from transesterified waxes, extracted from a single species of a fly sc ...201423877174
temperature-dependent development of ophyra aenescens (wiedemann, 1830) and ophyra capensis (wiedemann, 1818) (diptera, muscidae).the influence of rearing temperature on the development rates of two "dump flies" ophyra aenescens (wiedemann, 1830) and ophyra capensis (wiedemann, 1818) is analysed. the development times of these species are determined. flies were reared at three constant temperatures (17+/-1, 24+/-1 and 30+/-1 degrees c) with a photoperiod of 12:12 and at a relativity moisture of 75-95%. the minimum duration for each development stages, from eggs to pupae and from eggs to adult emergence of o. aenescens and ...200414687777
distinctive hydrocarbons of the black dump fly, hydrotaea aenescens (diptera: muscidae).hydrotaea aenescens (wiedemann), the black dump fly, is a potential biological control agent originally from the western hemisphere, now found in many parts of the palearctic region except for the united kingdom, where it cannot be imported for any reason. a complication of classical biological control is the problem of strain identification, as one must be able to somehow mark or follow a particular strain that has been introduced into the field or is contemplated for release. gas chromatograph ...200111746561
susceptibility of hydrotaea aenescens (wiedemann) (diptera: muscidae) to selected insecticides and its importance in integrated fly management.the doses lethal to 50% of the insects (ld50 values) obtained for a strain of hydrotaea aenescens (wiedemann) adults from a layer farm revealed higher sensitivity to 16 insecticides than those recorded for the susceptible who/srs strain of the housefly. because h. aenescens adults are about half the size of the housefly, the chemical compounds used for adult control may jeopardize the survival of hydrotaea populations released in animal confinement houses. an efficient and economical combined ap ...19968825213
[significance of the musca domestica antagonist ophyra aenescens (diptera:muscidae). iii. laboratory studies of the interaction between the larvae of m. domestica and o. aenescens].laboratory tests were made in order to obtain more detailed information concerning the interaction between the muscid flies musca domestica l. and ophyra aenescens (wied.). joint breeding of the larvae mostly led to a high mortality rate in m. domestica. there is much probability of the larvae of o. aenescens preying on those of m. domestica, at least in the third larval stage. however, o. aenescens are no obligatory predators and are able to develop normally without consuming fly larvae. the ef ...19827149332
[significance of the musca domestica predator, ophyra aenescens (diptera: muscidae). ii. morphology of the developmental stages]. 19827125288
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