Publications

TitleAbstractYear(sorted ascending)
Filter
PMID
Filter
arthropod surveillance programs: basic components, strategies, and analysis.effective entomological surveillance planning stresses a careful consideration of methodology, trapping technologies, and analysis techniques. herein, the basic principles and technological components of arthropod surveillance plans are described, as promoted in the symposium "advancements in arthropod monitoring technology, techniques, and analysis" presented at the 58th annual meeting of the entomological society of america in san diego, ca. interdisciplinary examples of arthropod monitoring f ...026543242
development of resistance to ddt by anopheles sacharovi in greece.the ddt house-spraying programme carried out throughout greece between 1946 and 1950 proved highly effective against both the local malaria-vectors (anopheles sacharovi and a. superpictus) and other domestic pests. however, during 1947 the housefly (musca domestica) began to reappear in large numbers, and in subsequent years the development of a similar resistance to ddt was noticed among other domestic pests, such as culex molestus, fleas, bed-bugs, and cockroaches. in 1951, signs of a weakenin ...013066984
bed bugs: clinical relevance and control options.since the late 1990s, bed bugs of the species cimex lectularius and cimex hemipterus have undergone a worldwide resurgence. these bed bugs are blood-sucking insects that readily bite humans. cutaneous reactions may occur and can start out as small macular lesions that can develop into distinctive wheals of around 5 cm in diameter, which are accompanied by intense itching. occasionally, bullous eruptions may result. if bed bugs are numerous, the patient can present with widespread urticaria or ey ...022232375
bed bugs evolved unique adaptive strategy to resist pyrethroid insecticides.recent advances in genomic and post-genomic technologies have facilitated a genome-wide analysis of the insecticide resistance-associated genes in insects. through bed bug, cimex lectularius transcriptome analysis, we identified 14 molecular markers associated with pyrethroid resistance. our studies revealed that most of the resistance-associated genes functioning in diverse mechanisms are expressed in the epidermal layer of the integument, which could prevent or slow down the toxin from reachin ...023492626
an appeal for bed-bugs. 190629006091
the bed-bug and the transmission of disease. 190629006090
bed-bugs and leishman-donovan bodies. 190629006178
notes on the distribution of the two species of bed-bug. 190729004915
kerosene against bed bugs. 191129005697
experiments on insect transmission of the virus of poliomyelitis.the domestic fly (musca domestica) can carry the virus of poliomyelitis in an active state for several days upon the surface of the body and for several hours within the gastro-intestinal tract. mosquitos (culex pipiens, culex sollicitans, and culex cantator), in our experiments, have not taken up and maintained in a living state the virus from the spinal cord of monkeys. lice (pediculus capitis and pediculus vestimenti) have not taken the virus out of the blood of monkeys or maintained it in a ...191219867617
preliminary note on bed-bugs and leprosy. 191320766813
bounding bed-bugs. 191329005916
on the multiplication and infectivity of t. cruzi in cimex lectularius. 191420767106
insects and war: ii.-the bed-bug (cimex lectularius). 191420767307
lxxi. the effect of the vapours of various insecticides upon fleas (ceratophyllus fasciatus and xenopsylla cheopis) at each stage in their life history and upon the bed bug (cimex lectularius) in its larval stage. 191420474559
lxxxii. notes on the development of bacillus pestis in bugs (cimex lectularius) and their power to convey infection. 191520474605
the distribution of rickettsia in the tissues of insects and arachnids.in the absence of a satisfactory definition of rickettsia the observations herein recorded were arbitrarily limited to bacterium-like organisms which are intracellular and gram-negative. rickettsia of this type were found in the following species: amblyomma americana, amblyomma hebraeum, boophilus decoloratus, atomus sp., casinaria infesta, chrysopa oculata, ctenocephalus canis, dermacentor variabilis, lepisma saccharina, lucoppia curviseta, margaropus annulatus, margaropus annulatus australis, ...192319868737
studies on typhus fever : iii. studies of lice and bedbugs (cimex lectularius) with mexican typhus fever virus.our experiments have shown that the mooser bodies or rickettsiae derived from guinea pigs with mexican typhus fever can survive in bedbugs after intra-coelomic injection for 10 days, remaining capable of infection. we have also succeeded in similarly infecting bedbugs by allowing them to feed on benzolized rats in whose blood rickettsiae had been shown to be present. injection of the organs of such bedbugs 5 days after the last, 9 days after the first infectious feeding into guinea pigs produced ...193019869795
the bed bug: prevention of house infestation. 193320777892
eradication of the bed-bug. 193520778968
the effect of reduced pressure combined with increased temperature on the viability of bed bugs and of their eggs. 193729013396
naphtha distillates for destruction of bed-bugs. 193720780510
coal-tar naphtha for destruction of bed-bugs. 193820781189
some experiments with certain liquid insecticides in houses infested with the bed-bug, cimex lectularius l. 194020475557
the ecology of the bed-bug, cimex lectularius l., in britain: report on research, 1935-40. 194120475600
the residual toxicity of ddt to bed-bugs. 194521003325
eradication of bed-bugs; a further note. 194521006730
[not available]. 194621017458
the comparative toxicity of various contact insecticides to the louse (pediculus humanus l.) and the bed-bug (cimex lectularius l.). 194620276061
the influence of certain biological factors on the resistance of bed-bugs (cimex lectularius, l.) to ddt. 194621015620
the relationship between ectoparasite and host; the development of cimex lectularius and ornithodorus moubata on riboflavin deficient rats. 194718914926
infestation and disinfestation with special reference to the bed-bug, cimex lectularius. 194818874653
epidemic of bullous erythema on legs due to bed-bugs. 194818870107
eradication of bed-bugs, a stirlingshire experiment. 194918108543
[effect of superficial impregnation of ddt in control of bed bugs]. 194918117601
[not available]. 194915406087
[behavior of various spirochaeta in the bedbug cimex lectularius]. 195212979378
[acquired resistance of cimex lectularius to hexachlorane]. 195313063062
[host determination and the significance of type specific odors in cimex lectularius linné]. 195513248063
observations on the structure and the nature of nr bodies found in the testes of bed-bug. 195513280279
a note on resistance of bed bugs to ddt in bombay state. 195613366407
the insecticide-resistance problem: a review of developments in 1956 and 1957.the author reviews the growth of the insecticide-resistance problem throughout the world during the period between july 1956 and november 1957, and the developments in research on the subject during the same period.three new resistant species have been discovered-anopheles subpictus, chrysomyia putoria and rhipicephalus sanguineus-and eight new types of resistance in already resistant species have been observed. moreover, the geographical area covered by certain resistant insect populations has ...195813536795
insecticide-resistance in bed-bugs.a simple method of measuring insecticide-resistance in bed-bugs is described. batches of adult bugs are put on small pieces of filter-paper impregnated with oil solutions of insecticides, and mortality is estimated after 5 days at 25 degrees c.in both cimex lectularius and c. hemipterus, two kinds of resistance can develop, either independently or in conjunction. one involves ddt, methoxychlor and analogues; it cannot be overcome by the addition of dmc. the other involves gamma-bhc, dieldrin and ...195820604028
a survey of bed-bug resistance to insecticides in israel.fourteen strains of bed-bugs collected from various places in israel and one normally susceptible strain from the laboratories of j. r. geigy s.a., basle, switzerland, were tested for their resistance to ddt and gamma-bhc. a very high degree of resistance to ddt was found in most of the strains, indicating that ddt-resistance is very widespread in israel. a moderate to low resistance to gamma-bhc was observed in several strains.195913829045
pyralis pictalis curt. (pyralidae: lepidoptera) larvae as predators of eggs of bed bug, cimex hemipterus fab. (cimicidae: hemiptera). 196013831355
resistance to dieldrin and ddt and sensitivity to malathion in the bed-bug cimex hemipterus in malaya. 196014437086
["biological" crystallization of the hemoglobin in the blood ingested by the bedbug cimex lectularius linne 1758]. 196113735470
methods for measuring insecticide susceptibility levels in bed-bugs, cone-nosed bugs, fleas and lice.a standard kit is prepared and distributed by who for testing insecticide resistance in adult mosquitos, and it would seem advantageous to be able to use the filter papers impregnated with ddt and dieldrin contained in this kit for testing resistance in other insects. experiments have been successfully conducted with a view to developing methods based on the use of these papers for testing susceptibility levels in bed-bugs, cone-nosed bugs, fleas and lice. the designs of the various test methods ...196113689412
insecticide-resistance in bed-bugs and flies in zanzibar. 196113707974
new methods for the maintenance of a laboratory colony of bed-bugs, cimex hemipterus fabricius, with observations on its biology. 196114005331
loss of haemoglobin iron due to excessive biting by bed bugs. a possible aetiological factor in the iron deficiency anaemia of infants and children. 196213925320
studies in the experimental transmission of mf. bancrofti and mf. malayi by bed-bugs: negative results. 196213913317
further observations on the technique for quantitative estimation of susceptibility of bed-bugs to contact insecticides. 196213911373
are bed bugs vectors of filariasis? 196313938040
laboratory rearing of cockroaches, bed-bugs, human lice and fleas. 196414272467
[study of the infection and transmission of rickettsia quintana by cimex lectularius]. 19665936108
supernumerary chromosomes in the human bed bug, cimex lectularius linn. (cimicidae: hemiptera). 19675613987
laboratory methods for evaluation of toxicants for the bed bug and the oriental rat flea. 19685723756
toxicological and genetical studies of organophosphorus-resistance in cimex lectularius l. 19695375522
susceptibility of bed-bug cimex lectularius to organophosphate and carbamate insecticides in alexandria, u.a.r. 19695375843
notes on mycobacterium ulcerans.a record is given of the events leading to the discovery, the cultivation, and the animal transmission of mycobacterium ulcerans, the causative organism of the "bairnsdale ulcer", together with a discussion on the possible animal hosts and vectors. it is suggested as a mailer of speculation that the insectivorous bats may be incriminated as the natural hosts, and that bed-bugs or related bugs, parasitic on bats, may be the vectors.196929319862
toxicological and genetic studies on a strain of bed bugs resistant to organophosphorus insecticides. 19695821265
[bedbug bite, crimicosis, dermatitis due to to cimex lectularius]. 19705276086
insecticide susceptibility of the bedbug cimex lectularius (hemiptera: cimicidae), in libya. 19704102590
[insecticide resistance in bedbugs(cimex lectularius) in korea]in the summer of 1969 from july through october, authors carried out a study of susceptibility in adult female bed bug(cimex lectularius) in order to ascertain any development of resistance to insecticides in korea. the test to ddt and dieldrin was performed in laboratory by the continuous exposure of residues method, with standard impregnated paper used for adult mosqitoes. some results so far obtained can be summarised as follows: 1. lc(50) were 2.839% in ddt and 0.167% in dieldrin. 2. the res ...197012913518
biochemistry of malathion resistance in a strain of cimex lectularius resistant to organophosphorus compounds.the penetration of (14)c-labelled malathion was found to be similar in two bedbug strains, of which one was susceptible and the other moderately resistant to a range of organophosphorus insecticides. the latter strain was especially resistant to malathion and fenchlorphos, but was not resistant to organophosphates or (significantly) to organochlorine insecticides. there was no difference in acetylcholinesterase activity or sensitivity, or in total esterase activity (using 1- or 2-naphthyl acetat ...19715317013
assembling and alerting scents produced by the bedbug cimex lectularius l. 19715549217
the problem of resurgent bed-bug infestation in malaria eradication programmes. 19715547711
[sensitivity of cimex lectularius to residual insecticides in rumania]. 19715150506
a note on the susceptibility of the tropical bed bug cimex hemipterus to wuchereria bancrofti in ceylon. 19725054494
abnormal sexual behavior of isolated males of cimex lectularius l. 19724659683
morphology, histochemistry, and ultrastructure of mycetome and its rickettsial symbiotes in cimex lectularius l. 19734127814
effects of elevated temperature on the mycetome and symbiotes of the bed bug cimex lectularius (heteroptera). 19744208302
action and ocmposition of the alarm pheromone of the bedbug cimex lectularius l. 19744449574
free amino acids in seminal fluid & haemolymph of cimex lectularious l. & their possible role in sperm metabolism.previously it was shown that glucose and trehalose are present in the hemolymph of cimex lectularious l. and that the active bed bug sperm can utilize these sugars oxidatively. a study was conducted on the occurrence of amino acids in the seminal fluid and the hemolymph of the bed bug and the enzymes of cimex sperm concerned with amino acid metabolism. it was determined that the hemolymph contains 12 free amino acids and in the seminal fluid, there are 8. in the cimex sperm, transaminase acti ...19744457467
structure of sensilla, olfactory perception, and behaviour of the bedbug, cimex lectularius, in response to its alarm pheromone. 19744854436
fine structure of the antennal receptors of the bed bug, cimex lectularius l.sensilla on the antenna of the bed bug, cimex lectularius, were studied with the scanning and transmission electron microscope. those which display a tubular body in the dendrite ending are presumed to have a mechanoreceptor function (bristles of type a, flat plate of type b). bristles of type a1 contain additional dendrites which terminate at the tip of the bristle and may be gustatory receptors. sensilla with pores in the hair wall are supposed to have an offactory, humidity and/or temperatur ...1976190731
did i hear someone say: 'we have a bed bug?'. 197610241847
continuous administration of famphur for control of ticks and bed bugs feeding on ruminants. 1977915076
[studies of the sensitivity to the usual domestic insecticides on insects of the anopheles maculipennis group, and musca domestica, cimex lectularius and blattella germanica species].the present paper was designed to the study of the degree of sensitivity of mosquitoes, flies, bedbugs and cockroaches to organochloride and organophosphoric insecticides produced in romania. testing of the sensitivity to insecticides of these species, important as transmitters of human pathogens, showed the effectiveness of the products, which induced a high mortality rate in relatively small concentrations. against anopheles labranchiae atroparvus, the insecticides detox, carbetox and lindatox ...1978694334
the action of juvenile hormone analogues jtc-1 and zr-777, in cimex lectularius species (heteroptere, cimicidae) by continuous treatment. 1978747522
infection of the common bedbug (cimex lectularius l) with hepatitis b virus in south africa.a total of 1 368 bedbugs of the species cimex lectularius l were collected mainly from huts in villages or on farms at 6 localities in the northern transvaal. they were tested in pools of 10 for the presence of hepatitis b surface antigen (hbsag). none of 20 pools from pietersburg was hbsag-positive, but 32 out of 120 pools from the 5 other localities were hbsag-positive. estimated infection rates per 1 000 bugs were 17,1 (messina), 24,9 (waterpoort), 28,4 (letaba), 54,5 (potgietersrus) and 67,0 ...1978675426
on the bed bugs (hemiptera, cimicidae) in iraq. 1978757131
bed bugs, insects, and hepatitis b. 197942464
a simple apparatus for providing blood diets at constant temperature and with different corticosterone levels to individual bed bug colonies (hemiptera: cimicidae). 1979537011
transmission experiments with hepatitis b surface antigen and the common bedbug (cimex lectularius l).hepatitis b surface antigen (hbsag)-positive blood meals were fed to a colony of the common bedbug (cimex lectularius l) in a series of 5 experiments. antigen persisted in the bugs for at least 7 1/2 weeks, but was undetectable after 18 weeks. trans-stadial transmission was demonstrated through one moult only, and transovarial transmission did not occur. antigen was successfully transmitted by adult bugs into 3 out of 35 canisters of hbsag-negative blood. antibody of hbsag was detected in the se ...1979573506
the surveillance of the resistance to insecticides in the cimex lectularius (heteroptera; cimicidae) species. 19807416943
[experimental changes in the sensitivity level of ddt- and chlorophos-resistant populations of the bedbug, cimex lectularius l]. 19817207392
[triatoma infestans as a vector of hepatitis b virus].mosquitoes and bed bugs may play a role in the transmission of hepatitis b virus (h.b.v.). we investigated this possibility with the triatoma infestans, which is a hematophagous insect widely prevalent in the argentine republic. triatoma infestans fed with serum or blood contaminated with h.b.v. were studied at 7, 14, and 21 days after contamination. stool and insect homogenates were positive for hbsag at each time checked. considering the domestic habits and hematophagous condition of triatoma ...19817034439
sex differences in size of the blood meal in the bed bug cimex hemipterus (hemiptera: cimicidae). 19827120297
[survey on carriage of hbsag by cimex lectularius, bedbugs of the temperate zone]. 19827185472
[bedbugs (cimex lectularius l.)]. 19827155219
the mechanical transmission of hepatitis b virus by the common bedbug (cimex lectularius l.) in south africa.tests for both hepatitis b surface antigen (hbsag) and hepatitis e antigen (hbeag) were carried out on wild-caught and laboratory-colonized bedbugs (cimex lectularius l.), the latter after hepatitis b virus (hbv)-positive blood-meals. positivity for both antigens was interpreted as an indication of hbv infectivity. of 22 pools in which were tested 211 bugs collected in the northern transvaal, 18 were hbsag-positive and 17 hbeag-positive, with estimated infection rates of 156,7 and 137,7 per 1000 ...19836849170
[epizootiology of aegyptianellosis in poultry].epizootiologic studies were carried out on avian aegyptianellosis, especially with birds raised at poultry dressing combines and industrial poultry farms within the country. it was found that the mechanism of infection transmission was mediated not only by the role of argas persicus ticks but also by bed bug insects of the cimex genus, belonging to the hemiptera order. carriers of aegyptianellosis might also be migratory birds coming from tropical countries, such as swallows. it is concluded tha ...19836420981
controlled release effect of insecticide microcapsules and their results in common household insect pest control.since 1978 we have prepared microencapsulated insecticides by complex coacervation and interfacial polymerization for household insect pest control, fenthion being the main core element. a series of tests have been conducted against mosquitoes (culex pipiens quinquefasciatus), cockroaches (periplaneta americana) and bedbugs (cimex lectularius), and the results indicate that microencapsulation can prolong persistent effects by 2-12 times, enhance safety and subdue offensive odour. furthermore, th ...19846336530
the common bedbug cimex lectularius in african huts.the size and life-stage structure of heavy infestations of c. lectularius in zulu huts were determined. the presence of more than one person in a hut at night, and control measures attempted by hut owners were found not to influence bedbug numbers significantly.19863810799
oxygen tension and sperm migration in the female bed bug. 19873673734
the occurrence of the bedbugs cimex hemipterus and cimex lectularius in northern natal and kwazulu, south africa.two species of anthropophilic bedbugs, cimex lectularius and c. hemipterus, infest dwellings in kwazulu, the known range of the latter extending to 28 degrees 15's. c. hemipterus is the more common species in kwazulu north of 27 degrees 15'. the pattern of distribution of c. hemipterus in south africa is consistent with the species requiring a tropical climate, being a more recent invader than c. lectularius, and being able to thrive sympatrically with the latter species.19873686639
experimental assessment of bedbugs (cimex lectularius and cimex hemipterus) and mosquitoes (aedes aegypti formosus) as vectors of human immunodeficiency virus.in vitro experiments were conducted to assess whether bedbugs (cimex lectularius and cimex hemipterus) and mosquitoes (aedes aegypti formosus) could act as vectors of hiv. these insects engorged through a membrane on a blood-virus mixture. female bedbugs were larger than males and took larger blood-meals when fed to repletion. it was determined that the full blood-meal of a female bedbug contained 0.09 x 10(5) tissue culture infectious doses (tcid) of virus and a male 0.07 x 10(5) tcid, while pa ...19872450552
a reovirus from the bedbug, cimex lectularius.large numbers of virus particles were identified by electron microscopy in the epithelial cells of the ventriculus of the bedbug, cimex lectularius. the morphology of the virus particles and the presence of a segmented double-stranded rna genome imply that this isolate should be included in the reoviridae.19873806057
Displaying items 1 - 100 of 591