| preliminary results of an entomological survey of the potential arbovirus vectors in the french territory of afars and issas. | the preliminary results of an entomological survey of the potential arbovirus vectors in the french territory of afars and issas are exposed. 25 culicid species were recorded, specially anopheles gambiae, culex tritaeniorhynchus, c. univittatus, c. pipiens fatigans, aedes caspius, ae. vittatus, ae. arabiensis. ae. aegypti larvae were collected on a dhow arriving in djibouti. 5 species of ticks and 4 sandfly speices were also recorded. the epidemiological modalities of certain arboviroses in this ... | 1976 | 13940 |
| culicidae of the french territory of afars and issas. the genera aedes, culiseta, uranotaenia and mimomyia. | during an entomological survey conducted in french territory of afars and issas from november 1973 to june 1975, the following species were collected: aedes caspius, a. vittatus, culiseta longeareolata, uranotaenia balfouri, mimomyia mimomyiaformis, m. mediolineata. to these mosquitoes, we must add the record of a. aegypti larvae on a dhow berthing in djibuti while this mosquito does not exist actually in the territory. the epidemiological importance of these culicids is discussed. | 1977 | 27308 |
| [effect of microsporidiosis on the fertility of aedes caspius caspius (culicidae) mosquitoes]. | effect of microsporidiosis on the fecundity of hosts a. c. caspius was studied. the calculation of eggs in hatches has shown that females developing from infected eggs lay 2--3 times lesser eggs than non-infected ones. besides, the number of females laying eggs decreases considerably. despite the females of mosquitoes suck blood before each egglaying the disease, which proceeds at their larval stage, affects greatly their fecundity. additional feeding of females cannot compensate completely the ... | 1979 | 108654 |
| [role of photoperiodism and temperature in the induction of diapause in the egg phase of aedes caspius caspius pall. (diptera, culicidae)]. | the influence of two photoperiods (12 and 20 hours of light per day) and different constant (25, 20, 15.5, 12.5 and 4 degrees) and fluctuating temperatures on the hatching of the larvae of ae. caspius caspius from bairam-ali (turkmenia) has been studied experimentally. the induction of winter egg diapause has been established to be under photoperiodic and temperature control. in eggs laid by short-day treated females the tendency to enter diapause is more expressed (55.9%) as compared with those ... | 1975 | 127152 |
| [biology and laboratory cultivation of the mosquito aedes caspius caspius (culicidae)]. | | 1977 | 141030 |
| [issyk-kul virus transmission by aedes caspius caspius pall. mosquitoes via experimental bite]. | | 1979 | 160009 |
| [the autogenic character of aedes pullatus (coquillett, 1904) and new geographic localizations for aedes caspius (pallas, 1771), aedes mariae (sergent and sergent, 1903), aedes detritus (haliday, 1833) and culiseta subochrea (edwards, 1921)]. | | 1975 | 240306 |
| [larvae of aedes caspius caspius mosquitoes infected with iridescence virus]. | | 1978 | 695525 |
| [inventory of the culcinae in balagne (corsica)]. | we have drawn up the faunistic inventory of culicinae in balagne (corsica) in late summer. the list shows the following species (in order of frequency): culex hortensis, culex pipiens, culex impudicus, culex territans (?), culiseta longiareolata, culiseta annulata, culiseta subochrea, aedes mariae, aedes caspius, aedes vexans, anopheles claviger, anopheles maculipennis. we have observed the important recession of the maculipennis complex (only one female catched indoor) and the abundance of anop ... | 1978 | 754888 |
| [polytypical species of mosquitoes (culicidae). ii. aedes caspius (pallas, 1771)]. | | 1977 | 865870 |
| [local distribution of mosquito, aedes caspius caspius pallas, and various other species of aedes of the "caspius" group]. | | 1977 | 927359 |
| [the minimum effective dosages of repellents]. | method of thin-layer chromatography was used to estimate threshold dosages of diethytoluamide, benzoylhexamethylene, dihexamethylenecarbamide, diethilamide of phenoxyacetic acid and dimethylphthalate for repelling of mosquitoes (aedes hexodontus, aedes vexans, aedes caspius caspius), simuliids (simulium venustrum), midges (culicoides obsoletus) and sand-flies (phlebotomus papatsi). maximum sensitivity to all the preparations studied was shown by sand-flies (phlebotomus papatasi, and most sensiti ... | 1975 | 1190554 |
| melanization response of two mosquito species against wuchereria bancrofti. | the melanization response of two mosquito against wuchereria bancrofti was studied under different conditions of temperatures, adult age and feeding regimes. the two mosquito species were culex pipiens, a susceptible species for w. bancrofti transmission and aedes caspius, a refractory one. | 1992 | 1500787 |
| electrophoretic separation of two aedes caspius pallas forms from egypt. | isozyme banding patterns of the recently recognized autogenous stenogamous and anautogenous eurygamous sexually isolated aedes caspius forms were investigated using horizontal starch gel electrophoresis of 5 enzymes. the esterase assay clearly separated in 2 forms, a faster band being characteristic of autogenous individuals. other tested enzymes were encoded by 5 loci that were highly polymorphic. the "malic" enzyme locus was unambiguously diagnostic, specific, non-overlapping alleles at that l ... | 1992 | 1578170 |
| attractiveness of vertebrate hosts to culex pipiens (diptera: culicidae) and other mosquitoes in israel. | host preferences of mosquitoes, mainly culex pipiens l. and aedes caspius (pallas), were studied in israel using live baits, chemical attractants, light, and suction traps. the feeding habits of cx. pipiens were opportunistic. this species used a wide range of mammalian and avian hosts; a calf, chickens, turkeys, and sheep were the most attractive baits. a. caspius fed mainly on large mammals and was most attracted to calf and sheep baits. although sheep were attractive, few cx. pipiens and no a ... | 1991 | 1674543 |
| biochemical key to eight species of adult egyptian mosquitoes. | 1. an electrophoretic key is described, based on enzyme relative mobility, to distinguish eight species of egyptian mosquito adults. 2. using horizontal starch gel electrophoresis, five different enzyme assays unambiguously separated culex pipiens l., cx antennatus (becker), cx pusillus macquart, aedes caspius (pallas), culiseta longiareolata (macquart), uranotaenia unguiculata edwards, anopheles multicolor cambouliu and an.pharoensis theobald. 3. diagnostic loci between species were: ak-2, g6pd ... | 1991 | 1685104 |
| [an evaluation of the possibility of using romanomermis iyengari welch mermithids for mosquito control in uzbekistan]. | mermithid nematodes romanomermis iyengari were released into 13 natural water bodies of various types at a ratio of 300-8000 invasive preparasites per 1 m2 of water surface in tashkent region of uzbekistan. infected larvae of anopheles martinius, an. hyrcanus, culex modestus were found in 6 water bodies with low content of dissolved salts (ca2+ + + mg2(+)-3.8-6.7 mg equivalent/l, cl(-)-38.3-160.2 mg/l). the infection rates of mosquito larvae were 9-67%. in laboratory tests mermithids infected up ... | 1990 | 1972263 |
| [trials of the insecticides icon and ficam against mosquitoes in the southern ussr]. | two residual insecticides (icon 10% wp, ici and ficam w 80% wp, camco) were in 1989 tested in field trials in tajikistan, azerbaijan and uzbekistan against anopheles superpictus, an. sacharovi, an. pulcherrimus, an. martinius, culex pipiens, aedes caspius, and ae. vexans. in dosages recommended by the producing companies (0.025 g/m2 a. i. for icon and 0.4 g/m2 for ficam), the above preparations showed residual action during 2-3 months. icon and ficam did not cause irritability and repellency in ... | 1991 | 2067463 |
| heterozygote deficiency in natural populations of aedes caspius pallas from egypt. | aedes caspius pallas populations from the mediterranean regions are genetically highly polymorphic, and may diverge into 2 genetically isolated forms. we examined the genetic structure of 3 mosquito populations from faiyum oasis, using starch gel electrophoresis at 8 gene loci, from which only one was monomorphic. genetic variability was high (a = 1.97; h = 0.12; p = 54.2, 66.7). eleven out of 16 population--enzyme combinations with variability exhibited heterozygote deficiency from hardy--weinb ... | 1989 | 2519969 |
| bi-autogenous ovarian cycles in egyptian aedes caspius pallas (diptera:culicidae). | autogenous aedes (ochlerotatus) caspius pallas from aswan deposits 1 to 2 egg batches without a blood meal. repeated ovarian developmental cycles were responsible for the bi-ovipositional pattern as indicated by the presence of 2 dilatations in the ovariolar pedicel of bi-autogenous females and by the early stages of development of the ovaries (ii and ii b) observed 1-3 days following initial oviposition, later stages of maturation occurred progressively. three levels of autogeny were distinguis ... | 1989 | 2519972 |
| [a new genus of microsporidans cristulospora gen. n. (amblyospiridae) with 3 new species from blood-sucking mosquitoes in uzbekistan]. | three new species of microsporidans of the new genus cristulospora are described from mosquitoes of the genera culex and aedes (floodlands of the syr darya, syrdarya province, bukharskiĭ oasis). in mosquitoes microsporidans have sporogony of two types that is characteristic of the family amblyosporidae. the development in larvae ends in the formation of 8 uninucleate spores in pansporoblasts. in females single binucleate spores are formed. the new genus differs from other amblyosporids in the pr ... | 1989 | 2526316 |
| effect of bacillus sphaericus and bacillus thuringiensis on acid-phosphatase activity of mosquito larvae, culex pipiens and aedes caspius. | the use of bacillus sphaericus and b. thuringiensis h-14 form one of the important group of biological control agent against mosquito larvae. acid phosphatase enzyme plays a significant role in determining susceptibility of mosquito larvae to both bacterial species. biochemical assay showed activation in acid phosphatase in culex pipiens and aedes caspius treated with b. thuringiensis. variation in acid phosphatase activity occurred in both mosquitoes treated with b. sphaericus, while there was ... | 1989 | 2565356 |
| [infection of gypsy moth porthetria dispar cultured cells with aedes caspius caspius mosquito iridovirus]. | the results of inoculation of gipsy moth cell culture with mosquito iridovirus are presented. as a result of the virus infection the cell monolayer became loosened, and in damaged cells, numerous cytoplasmic processes appeared. virus virions were found in the cytoplasm of the involved cells. | 1989 | 2609648 |
| [isolation of tahyna virus from mosquitoes in 2 different european natural foci]. | collecting during two periods, from september 4, 1979, to september 12, 1980, and from august 17 to september 10, 1981, a total of 45,705 mosquitoes was caught for virus isolation studies in 6 different regions in germany and the netherlands (lower rhine area, upper rhine area near germersheim, upper main area near baunach, amper moos), in austria (eastern shore of lake neusiedl), and in italy (isonzo river delta). 25 mosquito species were identified belonging to the genera aedes, culex, culiset ... | 1985 | 2860760 |
| population dynamics of some pakistan mosquitoes: changes in adult relative abundance over time and space. | time series and spatial changes in the relative abundance of 14 mosquito species were described from weekly or biweekly collections at nine localities in punjab province, pakistan, from january 1976 to june 1980. comparisons between indoor aspirator catches and outdoor mechanical sweeper collections enabled mosquito resting habits to be classified as: (1) endophilic (anopheles culicifacies, an. fluviatilis, an. stephensi, an. subpictus); (2) partially exophilic (an. annularis, an. pulcherrimus, ... | 1986 | 2873798 |
| vector potential of culicine mosquitoes in faiyum governorate, egypt. | culicine mosquito populations were studied for 1 year in 2 neighboring villages in faiyum governorate, egypt. dominant species in larval collections included culex pipiens, cx. univitattus, cx. antennatus, aedes caspius and uranotaenia unguiculata; culiseta longiareolata was less common. culex pipiens accounted for 98% of 3,743 mosquitoes captured in human-biting collection (164 man-nights), 96% of 1,136 mosquitoes collected inside houses and animal sheds (396 inspections), and 98% of 15,000 mos ... | 1986 | 2906968 |
| [findings concerning the biology of the egg stage of aedes caspius caspius pall. in uzbekistan]. | | 1970 | 4252051 |
| [infection of indigenous populations of the mosquito aedes caspius caspius with microsporidia of the genus thelohania]. | | 1972 | 4268172 |
| [changes in the sex ratio of the mosquito aedes caspius caspius (pall.) edw. when infected with natural populations of the microsporidium thelohania opacita kudo, 1922]. | | 1973 | 4634053 |
| [effect of the microsporidia thelohania opacita kudo, 1922 on the growth and development of larvae of the mosquito aedes caspius caspius pall. in natural populations]. | | 1973 | 4786631 |
| some ecological studies on aedes (ochlerotatus) caspius in the nile-delta. | | 1970 | 5516279 |
| [transmission of myxomatosis by mosquitoes in camargue. preeminent role of aedes caspius and anopheles of the maculipennis group]. | | 1967 | 5610704 |
| [presence of autogenic characteristics in culiseta (c.) annulata (schrank, 1776) and new geographical mentions for aedes caspius (pallas, 1771) and culiseta (c.) subochrea (edwards, 1921)]. | | 1984 | 6150675 |
| [hydrochemical regimen of the sites of emergence as a measure of the ecological plasticity of the mosquito aedes caspius dorsalis mg. (diptera, culicidae)]. | the results of the analysis of the hydrochemical regime of the aëdes caspius dorsalis emergence places at the northern border of its distribution, on the white sea coast are presented. the larvae of this species are able to grow in the various reservoirs under the different conditions which have been changed during larvae development. the dynamics of hydrochemical characteristics depends on the hydrological regime of these reservoirs. the larvae ability to endure considerable changes of the abio ... | 1983 | 6220746 |
| [intrazonal penetration of the mosquito, aedes caspius dorsalis mg. (diptera, culicidae), into the north and the dependence of its development on the rhythm of marine tides on the shores of the white sea]. | | 1981 | 6453627 |
| [age-related changes and the morphological types of the ovarioles in the females of a northern population of the blood-sucking mosquito, aedes caspius dorsalis mg]. | | 1981 | 6459525 |
| juvenile hormone analogues: effect on eggs of aedes caspius pallas (diptera: culicidae). | | 1984 | 6512299 |
| the effect of photoperiod on diapause induction in aedes caspius pallas (diptera: culicidae). | | 1983 | 6663098 |
| effect of juvenile hormone analogues on aedes caspius pallas (diptera: culicidae). | | 1983 | 6689333 |
| [experimental infection of aedes caspius caspius pall. mosquitoes on dwarf bats, vespertilio pipistrellus, infected with the issyk-kul virus and its subsequent transmission to susceptible animals]. | | 1982 | 6818441 |
| [maternal influence on the physiology of the progeny in aedes caspius dorsalis mg. mosquitoes]. | | 1983 | 6843489 |
| [population distribution and the dynamics of aedes caspius development in biotopes of the southern urals (culicidae)]. | the distribution of populations and dynamics of the development of the most spread species aedes caspius (pallas, 1771) was studied from 1977 to 1978 in the biotopes of the south urals. it has been established that floodplain water bodies are typical hatching sites of these mosquitoes. the hatching of larvae from wintered eggs takes place in the end of march--beginning of april, the emergence of mosquitoes of the 1st generation--in the end of april--beginning of may. mosquitoes become very abund ... | 1980 | 7402698 |
| the ultrastructure of the foregut and its influence on bancroftian microfilariae ingestion in three egyptian mosquito species. | laboratory observations on the uptake of bancroftian microfilariae (mf.) by three egyptian mosquito species revealed that microfilariae ingested by some tested species were badly damaged during ingestion. the foregut structures in culex pipiens, aedes caspius and anopheles multicolor were investigated by light and scanning microscope techniques. in ae. caspius which have well developed pharyngeal armatures, and an multicolor which have well developed cibarial armatures, high proportion of microf ... | 1995 | 7665933 |
| nutritional reserves in autogenous and anautogenous populations of culex pipiens and aedes caspius (diptera: culicidae). | proteins, carbohydrates, and lipids were compared in larval, pupal, and adult stages of autogenous and anautogenous populations of culex pipiens and aedes caspius. all developmental stages of autogenous mosquitoes accumulated significantly more proteins and carbohydrates than did anautogenous sibligns. for lipids, the same pattern was observed with the exception that adult females of both autogenous and anautogenous ae. caspius had comparable quantities (170-176 micrograms/mg). in general, mosqu ... | 1995 | 7665946 |
| [the recycling of waste water and mosquitoes]. | recycling waste water in the achères complex (north-west paris) is based on both sophisticated industrial techniques and simple agricultural methods. the sewage farms and settling pools provide suitable breeding sites for more than ten mosquito species. aedes caspius is the major pest for the local population. moreover culex pipiens (anthropophilic form) breeds in the sewers of the neighbouring towns. mosquito control is based early ground treatment of breeding sites. temephos and fenotrothion a ... | 1995 | 7780672 |
| mosquito age as a factor influencing the transmission of wuchereria bancrofti. | two mosquito species; culex pipiens and aedes caspius of different ages were experimentally infected with moderate microfilarial densities of wuchereria bancrofti and examined for their vector potential to transmit this parasite. tested age groups of cx. pipiens supported the development of the infective stage of the parasite (l3) but those of ae. caspius arrested its development especially aged mosquitoes. for cx. pipiens, infection rates and the mean number of microfilaria (mf) were found decr ... | 1993 | 8308347 |
| serological and molecular characterization of mesoplasma seiffertii strains isolated from hematophagous dipterans in france. | three strains of nonhelical mollicutes previously isolated in france from two different mosquitoes and one tabanid fly were designated strains ar 2328 (isolated from aedes detritus), ar 2392 (isolated from aedes caspius), and cp 13 (isolated from chrysops pictus). all of these strains exhibited properties of the genus mesoplasma, a recently described genus of non-sterol-requiring mollicutes isolated from plants and insects. the results of metabolism inhibition and growth inhibition tests reveale ... | 1996 | 8573485 |
| distribution and ecology of the mosquito fauna in the southwestern saudi arabia. | a mosquito larval survey was carried out in the southwestern region of saudi arabia for a two subsequent years period. nine mosquito species were identified; 4 anopheline species; anopheles arabiensis, an. sergentii, an. multicolor and an. tenebrosus and 3 culicine species, culex pipiens, cx. quinquefaciatus and cx. theileri as well as one aedine species, aedes caspius and culiseta subochrea. a map was made showing the distribution of the encountered species and a full description of all breedin ... | 1995 | 8586876 |
| vector competence of egyptian mosquitoes for rift valley fever virus. | reintroduction of rift valley fever (rvf) into egypt in 1993 raised concerns about the potential for egyptian mosquitoes to transmit the virus. we evaluated the ability of aedes caspius, culex pipiens, cx. antennatus, cx. perexiguus, cx. poicilipes, and anopheles pharoensis collected in the aswan area and cx. pipiens collected in the nile delta to transmit rvf virus. all mosquito species tested were susceptible to rvf virus infection, with an. pharoensis and ae. caspius being the most sensitive ... | 1996 | 8619436 |
| host-parasite relationships of wuchereria bancrofti and mosquito hosts, culex pipiens l. and aedes caspius pallas. | we compared the defense mechanisms directed against wuchereria bancrofti by a filaria susceptible mosquito, culex pipiens, and a refractory one, aedes caspius. the reciprocal deleterious effects of both the mosquito host and its parasite are reported. anatomical and histological examinations of mosquitoes revealed minor differences in the general structure of the foregut of either species. the cibarial pump of ae. caspius, however, lacked a cibarial armature and damage inflicted to some of the m ... | 1996 | 8721232 |
| uptake and development of wuchereria bancrofti in culex pipiens l. and aedes caspius pallas. | studies were conducted to compare early phenomena associated with w. bancrofti infection and further development in the filaria vector culex pipiens and the refractory mosquito aedes caspius. ingestion rates evaluated immediately after simultaneous feeding on an infected human were 69.1% for 43 cx. pipiens and 35.7% for 28 ae. caspius. the observed number of mf ingested by either mosquito did not vary significantly (2.7 +/- 1.4, and 2.3 +/- 0.9, respectively) and, based on the size of the blood ... | 1996 | 8754640 |
| isolation and curing of plasmid dna from bacillus thuringiensis israelensis strains showing variable insecticidal activities. | bacillus thuringiensis israelensis 4q1-wt (b.t.i.) have 9 plasmids. fourteen mutates of this wild type were prepared with cured plasmids. the wild bacterial strain the mutants and fourteen industrial strains were compared according to the number, size of plasmids and their potential to induce mortality to aedes caspius larvae. the 108 kb plasmid is essential for b.t israelensis to induce insect kill. | 1996 | 8754650 |
| assignment of the crystal toxin genes of the mosquitocidal bacterium, bacillus thuringiensis israelensis to a specific plasmid. | bacillus thuringiensis israelensis 4q1-wt and the prepared mutants, 4q1-72 and 4q1-81 were bioassayed against aedes caspius larvae. the strain -4q1-wt, which contains all plasmid arrys and the strain 4q1-72 which contains the 108 kb plasmid gave 100% mortality, while stain 4q1-81 which contains no plasmids gave 0% mortality. crystals from all tested strains were isolated, solubilized and characterized using page to detect any homology or difference in crystal production, properties, and the rela ... | 1996 | 8754660 |
| mosquitoes as vectors of setaria labiatopapillosa. | an infected bovine-baited trap was utilised in summer 1994 to catch possible intermediate hosts of s. labiatopapillosa in northeastern italy. collections were made for 21 nights from 8.00 p.m. to 6.00 a.m. every 2 h and, after 12 september, every 30 min. among the 16,159 mosquitoes sampled, 11,052 were freshly blood-fed. most of the unfed females and a representative sample of those which had fed were identified as follows: culex pipiens, aedes caspius, a. vexans, culiseta annulata, anopheles ma ... | 1997 | 9363488 |
| study on the flying height of aedes caspius and culex pipiens females in the po delta area, italy. | we have studied the vertical distribution of culicidae in the "ancona di bellocchio" protected area (regional park of the po delta, emilia-romagna, italy) by means of nonilluminated cdc traps baited with co2. traps were placed at heights of 1.5, 3, 4, and 5 m from the ground in open areas and at 1.5, 3, 4, 5, 6, and 7 m in wooded areas. we calculated the average flying height of the species caught, i.e., in order of decreasing flying height, culex pipiens linnaeus s.l., culex modestus ficalbi, c ... | 1997 | 9474562 |
| development of setaria labiatopapillosa in aedes caspius. | | 1998 | 9513947 |
| response of mosquitoes (diptera: culicidae) to carbon dioxide and octenol in egypt. | carbon dioxide and 1-octen-3-ol (octenol were evaluated individually, and in combination, as adult mosquito attractants at two sites in qara, matruh governorate, egypt. four mosquito species were collected during the study: aedes caspius, anopheles multicolor, an. sergenti and culex pipiens. anopheles multicolor and cx. pipiens were collected in insufficient numbers to allow statistical analysis. significantly greater numbers of ae. caspius and an sergenti were collected in co2 and co2 + octenol ... | 1998 | 9707659 |
| the mosquitoes (diptera: culicidae) in the area of the middle course of the river someşul mare (romania): faunistical and ecological data. | the larval and adult mosquito populations in the locality salva and its surroundings on the middle course of the river someşul mare were investigated from march to october 1994. 17 mosquito species (11 as larvae and 13 as adults) were recorded: aedes cataphylla, aedes cantans aedes leucomelas, aedes dorsalis, aedes caspius, aedes vexans, aedes flavescens, aedes cinereus, aedes annulipes, aedes geniculatus, culex modestus, culex pipiens, culex territans, culiseta alaskaensis, anopheles maculipenn ... | 1998 | 9745338 |
| canine filariasis. importance and transmission in the baix llobregat area, barcelona (spain). | field and laboratory studies were performed in order to assess the degree of canine dirofilariasis caused by dirofilaria immitis (leidy) in the baix llobregat region, a fluvial area near barcelona, spain. a total of 188 dogs were sampled between may and august of 1994. three main areas were chosen: the western delta, the eastern delta and the northern zone. simultaneously, a mosquito sampling programme was carried out with co2 light traps, to search for infective larvae (l3) of d. immitis. of th ... | 1998 | 9763317 |
| study of the environmental factors associated with oviposition by aedes caspius and aedes detritus along a transect in algeria. | aedes detritus in western algeria oviposits in irregularly flooded salty environments. the highest density of aedes caspius eggs was found in soils with a high organic content and a salinity:organic matter ratio of < 1. we studied the relationship between oviposition abundance by both species and a number of major ecological factors along a transect. ecological factors examined were plant species associations, vegetative cover, and soil organic content and salinity. high vegetative growth was es ... | 1998 | 9813826 |
| studies on culicini larvae in mansoura center, dakahlia governorate, egypt. | culicini larvae were collected from different water bodies in mansoura center, mainly awish el hagar, gedilah, mansoura city, meet badr khames and sandoub. ten species of culicini larvae were collected. they were culex adairi, cx. antennatus, cx. deserticola, cx. pusillus, cx. pipiens, cx. univittatus, aedes caspius, ae. detritus, culiseta longiareolata and uranotaenia uniguiculata. the most common larvae in descending order were those of cx. univittatus, cx. antennatus and ae. caspius. the high ... | 1998 | 9914706 |
| host feeding of mosquitoes (diptera: culicidae) associated with the recurrence of rift valley fever in egypt. | in 1993, rift valley fever (rvf) virus reappeared in egypt. we determined the prevalence and feeding patterns of mosquitoes in 5 villages where the virus was active. of 10 species recovered, aedes caspius (pallas), culex pipiens l., cx. antennatus (becker), and cx. perexiguus theobald constituted 99% of > 35,000 mosquitoes captured in dry ice-baited cdc light traps. ae. caspius was most prevalent, except at nag' el hagar where it was replaced by cx. perexiguus. cx. pipiens ranked 2nd, except at ... | 1999 | 10593070 |
| total salivary gland proteins of female culex pipiens and aedes caspius (diptera: culicidae) and their fractionation during adult development and after blood sucking. | salivary glands of culex pipiens and aedes caspius were analyzed to determine total protein content and its fractionation during adult female development and after blood sucking. in both species, the molecular weight of proteins ranged between 26.000 and 84.000 daltons. these proteins were not identical in the two species. in cx. pipiens, the total protein level increased during the first 3 days of adult development from 4.94 +/- 0.84 to 6.6 +/- 0.37 micrograms/gland. during this period, the sal ... | 1999 | 10605511 |
| [research on culicidae attracted to dog bait in piedmont]. | dog attracted mosquitoes were collected in piedmont (nw italy) in 1992 and 1993. sampling sites where chosen on ecological and epidemiological basis, according to the results of a previous study on the distribution and prevalence of canine filariosis in this region. dog baited traps were operated monthly (two nights/site from june to september) in six plain sites differing in the prevalence of heartworm infected dogs (including two sites where no positivity was recorded). a single capture was ca ... | 1998 | 10645556 |
| larvicidal activity of commiphora molmol against culex pipiens and aedes caspius larvae. | myrrh (oleo-gum-resin) obtained from the stem of commiphora molmol proved to have insecticidal activity against mosquito larvae. the oil extract of myrrh possesses median lethal activity against 2nd, 3rd and 4th instar larvae of culex pipiens at 0.016 x 10(2), 0.17 x 10(2) & 1.6 x 10(2) g/l respectively. while lc50 against 3rd instar larvae of aedes caspius was 0.2 x 10(2) g/l. the oleo-resin extract showed toxicity against 2nd, 3rd, 4th instar larvae of c. pipiens recording the lc50 values of 0 ... | 2000 | 10786023 |
| toxicity of a neem (azadirachta indica) insecticide to certain aquatic organisms. | neem based insecticides are likely to show a large increase in use in the near future. in the present work, the toxicity of a neem insecticide, neem-azal-t/s, was tested against the mosquito larvae, as well as against certain non target organisms occurring in a polluted pond and a shallow stream, located in a cultivated area in giza, egypt. samples of water containing the experimental animals were collected from this area, and toxicity tests were conducted in the laboratory by exposing them to a ... | 2000 | 10786033 |
| [four species of mosquito as possible vectors for dirofilaria immitis piedmont rice-fields]. | wild mosquitoes were allowed to feed, during two nights, on a heartworm-infected dog with a very high microfilaraemia (72,000 and 78,000 microfilariae/ml just prior to be allocated in the live trap). a heartworm-free dog was used as control bait in the second night. engorged mosquitoes (aedes caspius, anopheles maculipennis s.l., culex modestus, and cx pipiens) were kept under laboratory conditions, artificially fed until day 10 post-infection (pi) and then dissected for the presence of dirofila ... | 1999 | 10870556 |
| [new species of microsporidia in the genus amblyospora from blood-sucking mosquitoes in the family culicidae]. | two microsporidians of the genus amblyospora from mosquito larvae of aedes and culex were studied in tomsk region (siberia). peculiarities of the sporogony and the meiospore ultrastructure were studied by light and electron microscopy. the meiospores of a. caspius sp. n. from aedes caspius and ae. communis measured on smears, were c. 4.8 x 3.6 microns in size. a polar filament was anisofilar with 5 wide (290 nm) and 9 narrow (190 nm) coils arranged in a single layer. a polaroplast of both specie ... | 2000 | 11089251 |
| species composition and seasonal dynamics of mosquitoes in the belek region of turkey. | the species composition and seasonal population dynamics of mosquitoes trapped in the belek region of turkey are described. eight traps (four new jersey light traps and four co2 baited traps) were activated weekly at four different sampling sites (wooded area, open field, village, and road edge). between may and december, 1997, 4,542 specimens representing seven species (culex pipiens, culex tritaeniorhynchus, aedes caspius, aedes cretinus, aedes dorsalis, aedes vexans, and culiseta annulata) we ... | 2000 | 11217213 |
| egg hatching of mosquitoes aedes caspius and ae. vittatus stimulated by water vibrations. | simple laboratory experiments with eggs of wild-caught aedes caspius (pallas) and aedes vittatus (bigot) mosquitoes (diptera: culicidae) demonstrated that egg hatch rates (i.e. percentage hatching daily) increased significantly in response to water vibrations caused by finger-tip drumming on containers of submerged eggs. when disturbed by daily vibrations for only 30 s, eggs hatched sooner than when they remained flooded or were periodically drained and reflooded without agitation. for autogenou ... | 2001 | 11434558 |
| studies on the molluscicidal and larvicidal properties of solanum nigrum l. leaves ethanol extract. | toxicological studies on three ethanol extract preparations of solanum nigrum l. leaves were made on biomphalaria alexandrina. extract (a), made by soaking leaves powder over night in cold 70% ethanol, has the highest activity, (lc50 3.37 mg/l within 24 hr). this extract also showed larvicidal activity against larvae of two mosquito species, aedes caspius and culex pipiens, (lc50 51.29 and 125.89 mg/l within 24 hr, and 21.38 and 38.11 mg/l within 48 hr, respectively). sunlight, ph, and turbidity ... | 2001 | 11775110 |
| larvicidal properties of decomposed leaf litter in the subalpine mosquito breeding sites. | the larvicidal properties of the dietary leaf litter originating from the vegetation surrounding the subalpine mosquito breeding sites were investigated by using 10-month decomposed alder leaf litter against different field collections of culicine taxa of various ecological origin (aedes cantans, aedes caspius, aedes cataphylla, aedes detritus, aedes punctor, aedes pullatus, aedes rusticus, anopheles claviger, culex hortensis, culex pipiens, culiseta morsitans). larvae originating from sites wit ... | 2002 | 11804062 |
| laboratory evaluation of a helicosporidium sp. (protozoa: helicosporida) as an agent for the microbial control of mosquitoes. | a helicosporidium sp. isolated from diseased larvae of culex pipiens l. in egypt was assessed for its microbial control potential against mosquito larvae. dose infectivity and dose mortality of the pathogen was determined for each larval instar of cx. pipiens. helicosporidium sp was infectious to aedes caspius (pallas), c. antennatus (becker), c. perexiguus theobald, and culiseta longiareolata (macquart). using 24-hr exposures of first instar larvae to a range of concentrations between 50 and 5 ... | 2001 | 12557926 |
| preliminary field trials with culicinomyces clavosporus against some egyptian mosquitoes in selected habitats. | culicinomyces clavosporus was isolated from diseased larvae of culex pipiens collected from brackish water habitat. pure cultures of the fungus were grown on nutrient agar media. in the laboratory, the egyptian isolate of the fungus was bioassayed against first instar larvae of aedes caspius, cx. antennatus and cx. pipiens. the estimated lc50's for ae. caspius, cx. antennatus and cx. pipiens were 4.4 x 10(2), 7.6 x 10(2) and 11.8 x 10(2) conidia/ml, respectively. field studies were undertaken in ... | 2003 | 12739818 |
| comparison of nocturnal activities of mosquitoes (diptera: culicidae) sampled by new jersey light traps and co2 traps in belek, turkey. | temporal and seasonal variations in the nocturnal activities of adult females of six locally common mosquitoes, aedes cretinus, ochlerotatus caspius, oc. dorsalis, culex pipiens, cx. tritaeniorhynchus and culiseta annulata were studied at belek, turkey, using new jersey light traps and co2 charged olfactory traps. in addition to assessing the relative value of these traps as sampling devices capable of measuring activity at different periods of the night, these studies also examined the seasonal ... | 2003 | 12831124 |
| detection of israel turkey meningo-encephalitis virus from mosquito (diptera: culicidae) and culicoides (diptera: ceratopogonidae) species and its survival in culex pipiens and phlebotomus papatasi (diptera: phlebotomidae). | israel turkey meningo-encephalitis (itme) virus was detected in pools of ochlerotatus caspius pallas and culicoides imicola kieffer trapped at a turkey run at nir david during an outbreak in august 1995. experimental membrane feeding on a blood itme suspension showed that culex pipiens l. became harbored virus for at least 14 d. when phlebotomus papatasi scopoli were fed on an infected turkey, they became infected and harbored the virus for at least 7 d. because phlebotomines are trapped frequen ... | 2003 | 14680120 |
| culicini mosquito larvae in greater cairo. | no doubt, there is a marked civilization and modern establishment of housing, agricultural and industrial projects in egypt. in a survey to evaluate the culicini mosquito larvae in greater cairo, five species were recovered. these were culex pipiens, cx. pusillus, cx. perexiguus culiseta longia reolata and aedes caspius. the taxonomic features of the larvae were given and illustrated. the results were discussed on the light of previous work carried out in egypt. | 2003 | 14708849 |
| alexander the great and west nile virus encephalitis. | alexander the great died in babylon in 323 bc. his death at age 32 followed a 2-week febrile illness. speculated causes of death have included poisoning; assassination, and a number of infectious diseases. one incident, mentioned by plutarch but not considered by previous investigators, may shed light on the cause of alexander's death. the incident, which occurred as he entered babylon, involved a flock of ravens exhibiting unusual behavior and subsequently dying at his feet. the inexplicable be ... | 2003 | 14725285 |
| field evaluation of an area repellent system (thermacell) against phlebotomus papatasi (diptera: psychodidae) and ochlerotatus caspius (diptera: culicidae) in sanliurfa province, turkey. | a field evaluation of a new area repellent system, thermacell mosquito repellent (tmr, cis-trans allethrin), was conducted against phlebotomine sand flies and mosquitoes in cunpolat village, sanliurfa province, in southeastern anatolia, turkey, an area historically endemic for cutaneous leishmaniasis and high sand fly populations. the objective of this study was to determine the efficacy, duration of protection, and spatial characteristics of protection (downwind distance from point of release), ... | 2003 | 14765672 |
| cytopathological action in mosquito larvae fed with bacillus sphaericus (strain faiyoum) spore/crystal complex. | ingestion of bacillus sphaericus (strain faiyoum) spore/crystal complex by larvae of anopheles pharoensis, culex pipiens and aedes caspius was rapidly followed by a dissolution of the protein crystalline inclusions inside the anterior stomach of the three species. during the first day of the, b. sphaericus spores germinated within the mid-gut lumen, and were in a vegetative stage between 36-48 hours after ingestion when larvae began to die. ultrastructural observations focused on larval mid-gut ... | 2003 | 14964664 |
| potential vectors of west nile virus following an equine disease outbreak in italy. | in the late summer of 1998, an outbreak of equine encephalomyelitis due to west nile virus (wnv) occurred in the tuscany region of central italy. the disease was detected in 14 race horses from nine localities in four provinces: firenze, lucca, pisa and pistoia. the outbreak area included fucecchio wetlands (1800 ha), the largest inland marsh in italy, and the adjacent hilly cerbaie woodlands with farms breeding horses. to detect potential vectors of wnv, entomological surveys of fucecchio and c ... | 2004 | 15009441 |
| seasonal distribution of culicini larvae in greater cairo. | five species of mosquito larvae were encountered in greater cairo, culex pipiens, cx. pusillus, cx. perexiguus, aedes caspius and culiseta longiareolata. in parts of qualyoubia g. cx. pipiens was the most dominant and the least was cx. perexiguus. in parts of giza g. cx. pipiens was the most dominant and the least was cs. longiareolata. in cairo g. cx. pipiens was the most dominant and the least was ae. caspius. the overall abundance in a descending order was cx. pipiens (61.74%), cs. longiareol ... | 2004 | 15125522 |
| hhv-8 transmission via saliva to soothe blood-sucking arthropod bites. | | 2004 | 15305196 |
| potential transmission of west nile virus in the british isles: an ecological review of candidate mosquito bridge vectors. | west nile virus (wnv) transmitted by mosquitoes (diptera: culicidae) infects various vertebrates, being pathogenic for birds, horses and humans. after its discovery in tropical africa, sporadic outbreaks of wnv occurred during recent decades in eurasia, but not the british isles. wnv reached new york in 1999 and spread to california by 2003, causing widespread outbreaks of west nile encephalitis across north america, transmitted by many species of mosquitoes, mainly culex spp. the periodic reapp ... | 2005 | 15752172 |
| larvicidal, miracidiacidal and cercaricidal activities of the egyptian plant iris pseudacorus. | the larvicidal properties of iris pseudacorus leaves ethanol extract against second-instar larvae of two mosquito species, culex pipiens and aedes caspius (diptera: culicidae) were studied. it was observed that the larvicidal effect of this extract was dose-dependent. the lc50 values of i. pseudacorus against c. pipiens and a. caspius were 10.36 and 16.43 mg/l within 24 hr, and 7.36 and 10.1 mg/l within 48 hr, respectively. the miracidiacidal and cercaricidal properties of i. pseudacorus extract ... | 2005 | 15880993 |
| a two-year survey on mosquitoes of lebanon. | a total of 6,500 mosquitoes were identified during a two-year survey (1999-2001) in lebanon, and these belonged to twelve species: culex pipiens, cx. laticinctus, cx. mimeticus, cx. hortensis, cx. judaicus, aedes aegypti, ae. cretinus, ochlerotatus caspius, oc. geniculatus, oc. pulchritarsis, culiseta longiareolata and anopheles claviger. culex pipiens was the most predominant species in lebanon, collected indoors and outdoors. it was continuously abundant and active throughout the year. culex j ... | 2005 | 16218210 |
| low persistence of bacillus thuringiensis serovar israelensis spores in four mosquito biotopes of a salt marsh in southern france. | we studied the persistence of bacillus thuringiensis serovar israelensis (bti) in a typical breeding site of the mosquito ochlerotatus caspius in a particularly sensitive salt marsh ecosystem following two bti-based larvicidal applications (vectobac 12as, 1.95 l/ha). the treated area was composed of four larval biotopes that differed in terms of the most representative plant species (sarcocornia fruticosa, bolboschoenus maritimus, phragmites australis, and juncus maritimus) and the physical and ... | 2005 | 16328650 |
| plant tissues: the frugal diet of mosquitoes in adverse conditions. | the plant tissue feeding of anopheles sergentii theobald, an. claviger meigen, culex pipiens forskål and aedes caspius pallas (diptera: culicidae) was investigated. the relative frequency of plant feeding was compared to the general intake of sugar in different seasons and in different habitats in israel. the study shows that mosquitoes feed on sugar-poor plant tissue in the lack of better options. optimal conditions were in the sugar-rich en fesha oasis, where plant tissue was found in only 0.3 ... | 2005 | 16336306 |
| ribosomal dna second internal transcribed spacer sequence studies of culicid vectors from an endemic area of dirofilaria immitis in spain. | studies were performed in an endemic area of dirofilaria immitis in spain to genetically characterize the potential mosquito vector species present by means of dna sequencing and elucidate which of these species may be involved in the transmission. the rdna its-2 sequences of two culex pipiens haplotypes, h1 and h2, aedes (aedimorphus) vexans, fredwardsius vittatus, ochlerotatus (ochlerotatus) caspius, anopheles (anopheles) atroparvus, and anopheles (anopheles) plumbeus were obtained. f. vittatu ... | 2006 | 16541266 |
| [the bloodsucking mosquitoes (culicidae) of north afghanistan]. | up to date, the fauna of bloodsucking mosquitoes in north afghanistan remains to be almost unstudied so far. to the known mosquito species (anopheles pulcherrimus, an. algeriensis, an. hyrcanus, an. claviger, an. habibi, and an. superpictus), the author added two more species culex pipiens and aedes caspius caught during field trials in the localities of the kunduz province of the islamic republic of afghanistan in april 2005. | 2006 | 16562755 |
| evaluation of potential west nile virus vectors in volgograd region, russia, 2003 (diptera: culicidae): species composition, bloodmeal host utilization, and virus infection rates of mosquitoes. | potential west nile virus (family flaviviridae, genus flavivirus, wnv) vectors were assessed during 2003 at indoor and outdoor collection sites in urban volgograd, russia, and in three nearby towns and surrounding rural areas. in total, 9,182 female mosquitoes comprising 13 species in six genera were collected. relative abundance and bloodmeal host utilization differed temporarily and spatially. during june and july in volgograd, aedes vexans (meigen) (85.4%) and culex p. pipiens l. (7.6%) were ... | 2006 | 16739415 |
| natural vectors of dirofilariasis in rural and urban areas of the tuscan region, central italy. | entomological investigations by means of dog- and human-baited traps were carried out in summers 2000-2002 in urban and rural areas of the tuscan region in central italy. the aim of the study was to define the mosquito species involved in the transmission of dirofilaria nematodes and to assess the risk that their presence might represent for animal and human health. nocturnal fieldwork on host-seeking activity and feeding preferences was followed by microscopic identification of the mosquito spe ... | 2006 | 16739418 |
| modelling entomological-climatic interactions of plasmodium falciparum malaria transmission in two colombian endemic-regions: contributions to a national malaria early warning system. | malaria has recently re-emerged as a public health burden in colombia. although the problem seems to be climate-driven, there remain significant gaps of knowledge in the understanding of the complexity of malaria transmission, which have motivated attempts to develop a comprehensive model. | 2006 | 16882349 |
| horse-, bird-, and human-seeking behavior and seasonal abundance of mosquitoes in a west nile virus focus of southern france. | after 35 yr of disease absence, west nile virus (family flaviviridae, genus flavivirus, wnv) circulation has been regularly detected in the camargue region (southern france) since 2000. wnv was isolated from culex modestus ficalbi, which was considered the main vector in southern france after horse outbreaks in the 1960s. recent wnv transmissions outside of the cx. modestus distribution suggested the existence of other vectors. to study potential wnv vectors, horse- and bird-baited traps and hum ... | 2006 | 17017231 |
| biology and dynamics of potential malaria vectors in southern france. | malaria is a former endemic problem in the camargue, south east france, an area from where very few recent data concerning anopheles are available. a study was undertaken in 2005 to establish potential malaria vector biology and dynamics and evaluate the risk of malaria re-emergence. | 2007 | 17313664 |
| persistence of brugia malayi dna in vector and non-vector mosquitoes: implications for xenomonitoring and transmission monitoring of lymphatic filariasis. | xenomonitoring (detection of filarial larvae or their dna in mosquitoes) is a sensitive marker for assessing the endemicity of filariasis and a useful tool for evaluating elimination programs. to examine the fate of microfilariae (mf) and filarial dna in vector competent and non-competent mosquito strains, we compared the detection of brugia malayi parasites by dissection and by quantitative real-time polymerase chain reaction (pcr) in three different mosquito strains. we conclude that pcr is mu ... | 2007 | 17360875 |
| larvicidal activity of essential oils extracted from commonly used herbs in lebanon against the seaside mosquito, ochlerotatus caspius. | this study investigates the potential of essential oils from commonly used medical and culinary herbs in lebanon as an environmentally safe measure to control the seaside mosquito, ochlerotatus caspius. the composition of essential oils extracted from parsley seeds and leaves, alpine thyme inflorescences, anis seeds, and coriander fruits were analyzed by gc-ms, and the major components of these oils were found to be thymol, sabinene, carvacrol, anethole, and linalool, respectively. mosquito larv ... | 2008 | 17368893 |
| discriminative feeding behaviour of anopheles gambiae s.s. on endemic plants in western kenya. | anopheles gambiae giles s.s. (diptera: culicidae) is known to feed on plant sugars, but this is the first experimental study to consider whether it discriminates between plant species. thirteen perennial plant species were selected on the basis of their local availability within the vicinity of human dwellings and larval habitats of an. gambiae s.s. in western kenya. groups of 100 or 200 mosquitoes were released into cages either with a cutting of one plant type at a time (single-plant assay) or ... | 2007 | 17373953 |
| a survey of mosquitoes breeding in used tires in spain for the detection of imported potential vector species. | the used tire trade has facilitated the introduction, spread, and establishment of the asian tiger mosquito, aedes albopictus, and other mosquito species in several countries of america, africa, oceania, and europe. a strategy for detecting these imported mosquito vectors was developed in spain during 2003-2004 by evitar (multidisciplinary network for the study of viruses transmitted by arthropods and rodents). a survey in 45 locations found no invasive species. eight autochthonous species of mo ... | 2007 | 17633420 |
| effect of discriminative plant-sugar feeding on the survival and fecundity of anopheles gambiae. | a previous study showed for anopheles gambiae s.s. a gradation of feeding preference on common plant species growing in a malaria holoendemic area in western kenya. the present follow-up study determines whether there is a relationship between the mosquito's preferences and its survival and fecundity. | 2007 | 17711580 |