| aedes hendersoni: failure of laboratory-infected mosquitoes to transmit lacrosse virus (california encephalitis group). | | 1975 | 1195294 |
| vector competence of aedes hendersoni (diptera: culicidae) for la crosse virus: lack of impaired function in virus-infected salivary glands and enhanced virus transmission by sporozoite-infected mosquitoes. | previous research has shown aedes hendersoni cockerell to be an incompetent vector of la crosse (lac) virus because of a salivary gland escape (sge) barrier; that is, the salivary glands are infected but the mosquito fails to transmit the virus orally. intradermal probing behavior and ability to locate blood were studied in infected mosquitoes as indicators of salivary gland impairment to determine if the sge barrier was due to virus-induced pathology of the salivary glands. no evidence of saliv ... | 1992 | 1625297 |
| replication and dissemination of la crosse virus in the competent vector aedes triseriatus and the incompetent vector aedes hendersoni and evidence for transovarial transmission by aedes hendersoni (diptera: culicidae). | the time course and pattern of the replication and dissemination of la crosse virus was studied in orally infected aedes triseriatus (say) and ae. hendersoni cockerell. development of la crosse virus was approximately the same in both species when plaque assay titers of intact mosquitos or dissected tissues were compared. the mosquitoes were equally susceptible to infection; all ae. hendersoni and 99% of the ae. triseriatus tested showed detectable midgut infections. virus was first detected in ... | 1989 | 2585454 |
| vector competence of aedes hendersoni (diptera: culicidae) for la crosse virus and evidence of a salivary-gland escape barrier. | | 1985 | 4045939 |
| local variation in blood feeding by aedes triseriatus and aedes hendersoni (diptera: culicidae). | | 1985 | 4078847 |
| transmission of dengue virus by orally infected aedes triseriatus. | transmission of dengue type 1 was demonstrated for 3 strains of aedes triseriatus mosquitoes after oral infection. rates of infection were similar to those observed in a control strain of aedes aegypti. three additional species belonging to the subgenus protomacleaya (aedes brelandi, aedes hendersoni, and aedes zoosophus) were also susceptible to oral infection with dengue type 1 virus but transmission could not be demonstrated although virus was detected in the salivary glands of infected mosqu ... | 1983 | 6650743 |
| mixed-species plasmodium infections of anopheles (diptera:culicidae) | mixed-pathogen infections of vectors rarely are considered in the epidemiological literature, although they may occur in nature. a review of published reports shows that many anopheles species are capable of carrying sporozoites of > 1 plasmodium species, of doing so simultaneously in field conditions, and of acquiring and transmitting these in experimental situations. mixed-species infections in mosquito populations occur at frequencies greater than or equal to the product of the constituent sp ... | 1997 | 9220675 |
| mosquito appetite for blood is stimulated by plasmodium chabaudi infections in themselves and their vertebrate hosts. | arthropod vectors of disease may encounter more than one infected host during the course of their lifetime. the consequences of super-infection to parasite development are rarely investigated, but may have substantial epidemiological and evolutionary consequences. | 2004 | 15151700 |
| quantitative genetics of vector competence for la crosse virus and body size in ochlerotatus hendersoni and ochlerotatus triseriatus interspecific hybrids. | la crosse virus is a leading cause of pediatric encephalitis in the united states. the mosquito ochlerotatus triseriatus is an efficient vector for la crosse virus, whereas the closely related o. hendersoni transmits only at very low rates. quantitative trait loci (qtl) affecting the ability to orally transmit this virus and adult body size were identified in 164 f(2) female individuals from interspecific crosses of o. hendersoni females and o. triseriatus males using a combination of composite ... | 2005 | 15654112 |
| characterization of apyrase-like activity in ochlerotatus triseriatus, ochlerotatus hendersoni, and aedes aegypti. | the saliva of a blood-feeding insect can facilitate the intake of blood and effect the transmission of a pathogen. apyrase is a salivary enzyme that inhibits the aggregation of platelets by hydrolyzing the activating molecule adp. apyrase also hydrolyzes atp, which is a signal for neutrophil activation. investigators have reported that malaria vector species in the anopheles gambiae species complex and the genus simulium had more apyrase activity than sibling species that were non-vectors. in th ... | 2005 | 16172478 |
| host-feeding patterns of aedes albopictus (diptera: culicidae) in relation to availability of human and domestic animals in suburban landscapes of central north carolina. | aedes albopictus (skuse) (diptera: culicidae) is a major nuisance mosquito and a potential arbovirus vector. the host-feeding patterns of ae. albopictus were investigated during the 2002 and 2003 mosquito seasons in suburban neighborhoods in wake county, raleigh, nc. hosts of blood-fed ae. albopictus (n = 1,094) were identified with an indirect enzyme-linked immunosorbent assay, by using antisera made in new zealand white rabbits to the sera of animals that would commonly occur in peridomestic h ... | 2006 | 16739414 |
| identification of quantitative trait loci for larval morphological traits in interspecific hybrids of ochlerotatus triseriatus and ochlerotatus hendersoni (diptera: culicidae). | ochlerotatus triseriatus is the natural vector of la crosse virus, a common cause of pediatric encephalitis in the united states; the closely related ochlerotatus hendersoni transmits this virus at low frequency. adults of these mosquito species are difficult to distinguish morphologically; however, the larval stages show species-specific differences in several characters. we identified genomic regions contributing to the differences between the larvae of these species through interspecific hybr ... | 2006 | 16850221 |
| mosquito species richness, composition, and abundance along habitat-climate-elevation gradients in the northern colorado front range. | we exploited elevation gradients (1,500-2,400 m) ranging from plains to montane areas along the poudre river and big thompson river in the northern colorado front range to determine how mosquito species richness, composition, and abundance change along natural habitat-climate-elevation gradients. mosquito collections in 26 sites in 2006 by using co2-baited cdc light traps yielded a total of 7,136 identifiable mosquitoes of 27 species. commonly collected species included aedes vexans (meigen) (n ... | 2008 | 18714885 |
| size alters susceptibility of vectors to dengue virus infection and dissemination. | the size of arthropod vectors may affect their ability to transmit pathogens. here we test the hypothesis that body size alters the susceptibility of aedes aegypti and aedes albopictus mosquitoes to dengue virus (denv) infection and subsequent dissemination throughout the body of the mosquito. after feeding on blood containing known quantities of virus, smaller-sized females were significantly more likely to become infected and to disseminate virus than larger individuals. the effects of size we ... | 2008 | 18981505 |
| patterns of variation in the inhibitor of apoptosis 1 gene of aedes triseriatus, a transovarial vector of la crosse virus. | aedes triseriatus mosquitoes transovarially transmit (tot) la crosse virus (lacv) to their offspring with minimal damage to infected ovaries. ae. triseriatus inhibitor of apoptosis 1 (atiap1) is a candidate gene conditioning the ability to vertically transmit lacv. atiap1 was amplified and sequenced in adult mosquitoes reared from field-collected eggs. sequence analysis showed that atiap1 has much higher levels of genetic diversity than genes found in other mosquitoes. despite this large amount ... | 2009 | 19308633 |
| the salivary gland transcriptome of the eastern tree hole mosquito, ochlerotatus triseriatus. | saliva of blood-sucking arthropods contains a complex mixture of peptides that affect their host's hemostasis, inflammation, and immunity. these activities can also modify the site of pathogen delivery and increase disease transmission. saliva also induces hosts to mount an antisaliva immune response that can lead to skin allergies or even anaphylaxis. accordingly, knowledge of the salivary repertoire, or sialome, of a mosquito is useful to provide a knowledge platform to mine for novel pharmaco ... | 2010 | 20496585 |
| concurrent effects of resource pulse amount, type, and frequency on community and population properties of consumers in detritus-based systems. | episodic resource inputs (i.e., pulses) can affect food web properties and community dynamics, but detailed mechanistic understanding of such effects remain elusive. natural aquatic microsystems (e.g., tree holes, human-made containers) are colonized by invertebrates that form complex food webs dependent on episodic and sometimes sizeable inputs of allochthonous detritus from adjacent terrestrial environments. we investigated how variation in pulse frequency, amount, and resource type interacted ... | 2011 | 22134863 |
| larval diapause in aedes hendersoni and aedes triseriatus from southern manitoba. | | 2013 | 3880218 |
| dissecting vectorial capacity for mosquito-borne viruses. | the inter-relationship between mosquitoes and the viruses they transmit is complex. while previously understood barriers to infection and transmission remain valid, additional factors have been uncovered that suggest an 'arms race' between mosquito and virus. these include the mosquito microbiota and interplay between mosquito and viral genetics. following an infectious blood meal, the mosquito mounts an immune and transcriptional response, leading to altered expression of multiple genes. these ... | 2015 | 26569343 |
| tissue barriers to arbovirus infection in mosquitoes. | arthropod-borne viruses (arboviruses) circulate in nature between arthropod vectors and vertebrate hosts. arboviruses often cause devastating diseases in vertebrate hosts, but they typically do not cause significant pathology in their arthropod vectors. following oral acquisition of a viremic bloodmeal from a vertebrate host, the arbovirus disease cycle requires replication in the cellular environment of the arthropod vector. once the vector has become systemically and persistently infected, the ... | 2015 | 26184281 |
| mechanisms of arthropod transmission of plant and animal viruses. | a majority of the plant-infecting viruses and many of the animal-infecting viruses are dependent upon arthropod vectors for transmission between hosts and/or as alternative hosts. the viruses have evolved specific associations with their vectors, and we are beginning to understand the underlying mechanisms that regulate the virus transmission process. a majority of plant viruses are carried on the cuticle lining of a vector's mouthparts or foregut. this initially appeared to be simple mechanical ... | 0 | 10066833 |
| community ecology of container mosquitoes (diptera: culicidae) in virginia following invasion by aedes japonicus. | the success of an invasive species in a new region depends on its interactions with ecologically similar resident species. invasions by disease vector mosquitoes are important as they may have ecological and epidemiological consequences. potential interactions of a recent invasive mosquito, aedes japonicus theobald, with resident species in virginia were evaluated by sampling larvae from containers and trapping adults. distinct species compositions were observed for artificial containers and roc ... | 0 | 23270159 |
| invasion biology of aedes japonicus japonicus (diptera: culicidae). | aedes japonicus japonicus (theobald) (diptera: culicidae) has recently expanded beyond its native range of japan and korea into large parts of north america and central europe. population genetic studies begun immediately after the species was detected in north america revealed genetically distinct introductions that subsequently merged, likely contributing to the successful expansion. interactions, particularly in the larval stage, with other known disease vectors give this invasive subspecies ... | 0 | 24397520 |
| vector contact rates on eastern bluebird nestlings do not indicate west nile virus transmission in henrico county, virginia, usa. | sensitive indicators of spatial and temporal variation in vector-host contact rates are critical to understanding the transmission and eventual prevention of arboviruses such as west nile virus (wnv). monitoring vector contact rates on particularly susceptible and perhaps more exposed avian nestlings may provide an advanced indication of local wnv amplification. to test this hypothesis we monitored wnv infection and vector contact rates among nestlings occupying nest boxes (primarily eastern blu ... | 2013 | 24287858 |
| contributions of temporal segregation, oviposition choice, and non-additive effects of competitors to invasion success of aedes japonicus (diptera: culicidae) in north america. | the mosquito aedes japonicus (diptera: culicidae) has spread rapidly through north america since its introduction in the 1990s. the mechanisms underlying its establishment in container communities occupied by competitors aedes triseriatus and aedes albopictus are unclear. possibilities include (a) temporal separation of a. japonicus from other aedes, (b) oviposition avoidance by a. japonicus of sites containing heterospecific aedes larvae, and (c) non-additive competitive effects in assemblages ... | 0 | 26101466 |
| intrinsic and extrinsic drivers of succession: effects of habitat age and season on an aquatic insect community. | 1. classical studies of succession, largely dominated by plant community studies, focus on intrinsic drivers of change in community composition, such as interspecific competition and changes to the abiotic environment. they often do not consider extrinsic drivers of colonization, such as seasonal phenology, that can affect community change. 2. we investigated both intrinsic and extrinsic drivers of succession for dipteran communities that occupy ephemeral pools, such as those in artificial conta ... | 0 | 24910493 |
| an insight into the sialome of blood-feeding nematocera. | within the diptera and outside the suborder brachycera, the blood-feeding habit occurred at least twice, producing the present day sand flies, and the culicomorpha, including the mosquitoes (culicidae), black flies (simulidae), biting midges (ceratopogonidae) and frog feeding flies (corethrellidae). alternatives to this scenario are also discussed. successful blood-feeding requires adaptations to antagonize the vertebrate's mechanisms of blood clotting, platelet aggregation, vasoconstriction, pa ... | 2010 | 20728537 |
| effects of intraspecific larval competition on adult longevity in the mosquitoes aedes aegypti and aedes albopictus. | larval competition is common in container-breeding mosquitoes. the impact of competition on larval growth has been thoroughly examined and findings that larval competition can lead to density-dependent effects on adult body size have been documented. the effects of larval competition on adult longevity have been less well explored. the effects of intraspecific larval densities on the longevity of adults maintained under relatively harsh environmental conditions were tested in the laboratory by m ... | 0 | 19239615 |
| species interactions among larval mosquitoes: context dependence across habitat gradients. | biotic interactions involving mosquito larvae are context dependent, with effects of interactions on populations altered by ecological conditions. relative impacts of competition and predation change across a gradient of habitat size and permanence. asymmetrical competition is common and ecological context changes competitive advantage, potentially facilitating landscape-level coexistence of competitors. predator effects on mosquito populations sometimes depend on habitat structure and on emerge ... | 0 | 19067629 |
| linking metabolic qtls with network and cis-eqtls controlling biosynthetic pathways. | phenotypic variation between individuals of a species is often under quantitative genetic control. genomic analysis of gene expression polymorphisms between individuals is rapidly gaining popularity as a way to query the underlying mechanistic causes of variation between individuals. however, there is little direct evidence of a linkage between global gene expression polymorphisms and phenotypic consequences. in this report, we have mapped quantitative trait loci (qtls)-controlling glucosinolate ... | 2007 | 17941713 |
| abundance matters: a field experiment testing the more individuals hypothesis for richness-productivity relationships. | the more individuals hypothesis (mih) postulates that productivity increases species richness by increasing mean equilibrium population size, thereby reducing the probability of local extinction. we tested the mih for invertebrates colonizing microcosms that simulated tree holes by manipulating productivity through additions of leaf or animal detritus and subsequently determining the relationships among richness, total abundance, abundance per species, and measures of productivity. we quantified ... | 2007 | 17401581 |
| escape from gregarine parasites affects the competitive interactions of an invasive mosquito. | when a species is introduced into a new location, it may escape, at least temporarily, from its natural enemies. in field surveys, we found that when the exotic, invasive mosquito, aedes albopictus, invades new sites, it initially experiences reduced infection by its gut parasite, ascogregarina taiwanensis. to determine the effect of this escape from parasitism on the competitive ability of a. albopictus, we performed a laboratory competition experiment in which infected and uninfected a. albopi ... | 0 | 19777120 |
| desiccation and thermal tolerance of eggs and the coexistence of competing mosquitoes. | we tested the hypothesis that differences in temperature and desiccation tolerances of eggs of the container-dwelling mosquitoes aedes albopictus and aedes aegypti influence whether invading a. albopictus coexist with or exclude a. aegypti in florida. in the laboratory, egg mortality through 30 days for a. albopictus was strongly temperature and humidity dependent, with low humidity and high temperature producing greatest mortality. in contrast, mortality through 30 days and through 60 days for ... | 0 | 20871747 |
| effects of habitat type and drying on ascogregarina barretti (eugregarinida: lecudinidae) infection in aedes triseritatus (diptera: culicidae). | the intensity and prevalence of parasitism by ascogregarina barretti (vavra) in aedes triseriatus (say) did not differ between tires and tree holes in field samples taken in september 1996. there was significant variation in the intensity of parasitism among containers that was not significantly correlated with the ph, conductivity, or temperature of the container water. in an experiment manipulating habitat drying, treatments had a significant effect on a. barretti infection of ae. triseriatus, ... | 0 | 11126556 |
| molecular identification of aedes triseriatus and aedes hendersoni by a novel duplex polymerase chain reaction assay. | aedes triseriatus is the principal vector of la crosse virus (lacv), which is the most common cause of pediatric arboviral encephalitis in north america. here we report a novel species-specific polymerase chain reaction (pcr) assay that differentially identifies ae. triseriatus and ae. hendersoni. because these 2 sibling species differ in their abilities to transmit lacv, accurate identification is critical for surveillance, research, and control programs. this duplex assay can detect the presen ... | 2014 | 25102589 |
| new distribution records of mosquitoes in washington state. | routine west nile virus (wnv) surveillance in 2016 by the washington state department of health resulted in 1 new state distribution record for aedes hendersoni, bringing the total number of mosquito species reported from washington to 52. we also report new county records for aedes japonicus japonicus, aedes togoi, and culex salinarius . | 2017 | 28388317 |
| new, recent, and questionable mosquito records from mississippi. | enhanced mosquito surveillance in mississippi has confirmed the presence of mansonia titillans and ochlerotatus trivittatus, which represent new state records for mississippi. recent records of aedes albopictus, anopheles maverlius, an. quadrimaculatus, an. smaragdinus, and ochlerotatus hendersoni, and questionable records of ochlerotatus dorsalis, oc. stimulans, and psorophora pygmaea are reviewed. | 2005 | 15825755 |
| comparative susceptibility of larvae of three aedes species to malathion and permethrin. | larvae of aedes hendersoni, ae. atropalpus, and 6 geographic strains of ae. triseriatus were compared in terms of their susceptibility to malathion and permethrin. aedes atropalpus was most tolerant to malathion, whereas ae. triseriatus (walton strain) was most tolerant to permethrin. malathion lc50s for 6 geographic strains of ae. triseriatus ranked from high to low were: alabama (ala) > michigan (underc) > indiana (wal) > kentucky (uken) > texas (sal) > florida (vb); similar ranking of permeth ... | 1995 | 8825499 |
| a revised list of the mosquitoes of north dakota, including new additions to the fauna. | an up-to-date list of the mosquitoes known to occur in north dakota is given. it includes 38 species in 8 genera. aedes hendersoni, ae. melanimon, and culiseta minnesotae are being reported for the first time. in addition, 6 other species that probably belong to the state's fauna are discussed. | 1985 | 2906658 |
| isolation of ascogregarina sp. (eugregarinida: lecudinidae) from aedes hendersoni. | | 1987 | 3144579 |
| mosquitoes (diptera: culicidae) collected from residential yards and dog kennels in florida using two aspirators, a sweep net, or a cdc trap. | mosquito surveillance typically uses centers for disease control and prevention (cdc) mosquito light traps baited with co2. from january 2013 to march 2015, we sampled seven field sites using three active mosquito-trapping techniques (two different aspirators and a sweep net) and the stationary co2-baited cdc mosquito light trap to determine mosquito capture efficacy for each technique. sampling occurred in four suburban backyards and three dog kennel facilities near gainesville, fl, usa; specie ... | 2018 | 29121250 |
| differentiation of aedes triseriatus (say) from aedes hendersoni cockerell (diptera: culicidae) by restriction fragment length polymorphisms of amplified ribosomal dna. | aedes triseriatus is the primary vector of lacrosse (lac) virus, which can cause encephalitis, especially in young children. aedes hendersoni, a sibling species of ae. triseriatus, has a salivary gland barrier to lac virus and, therefore, is not considered a vector of this virus. adults of ae. triseriatus are morphologically indistinguishable from those of ae. hendersoni, and the two species are sympatric in the eastern united states. a definitive method of identifying field specimens is an impo ... | 2000 | 10813473 |
| differential oviposition by aedes hendersoni and aedes triseriatus (diptera: culicidae) in response to chemical cues associated with treehole water. | the oviposition behavior of aedes hendersoni cockerell and aedes triseriatus (say) was examined in the laboratory by offering gravid females oviposition sites containing water from different treehole types and by varying the physical characteristics of oviposition sites. ae. hendersoni females oviposited more frequently in containers with water from treeholes in which they are found commonly in nature (maple "deep rotholes") than in containers with water from holes in which they are found rarely ... | 1992 | 1552526 |
| adult survivorship, population density, and body size in sympatric populations of aedes triseriatus and aedes hendersoni (diptera: culicidae). | | 1987 | 3625723 |
| occurrence and ovitrap site preference of tree hole mosquitoes: aedes triseriatus and aedes hendersoni in eastern kentucky. | this ovitrap study examined the effects of altitude above sea level, tree species, and tree trunk diameter on the distribution of eggs of the 2 tree hole mosquitoes, aedes hendersoni and ae. triseriatus. only tree species and trunk diameter affected the distribution significantly. aedes hendersoni eggs were found more frequently associated with trees of border and sunny habitat, while ae. triseriatus eggs were more frequently found in association with trees of mesic habitat. oviposition of ae. h ... | 1987 | 3504894 |
| oviposition behavior of aedes triseriatus and aedes hendersoni on the delmarva peninsula. | | 1985 | 3880272 |
| mesonotal scale pattern polymorphism and a temperature-induced phenocopy in aedes hendersoni (diptera: culicidae). | | 1984 | 6726761 |
| differences in host choice between the sibling species of treehole mosquitoes aedes triseriatus and aedes hendersoni. | adult treehole mosquitoes were collected by vacuum-sweeping of vegetation in urban, suburban, and rural woodlots in northern indiana. the sibling species aedes triseriatus and ae. hendersoni were identified by polyacrylamide gel electrophoresis. blood meals were identified by the modified precipitin method. ae. triseriatus fed predominantly on chipmunks and deer, and ae. hendersoni fed mainly on tree squirrels and racoon. the relative rates of feeding on the major hosts were variable depending o ... | 1982 | 7072904 |
| hybridization between aedes hendersoni and aedes triseriatus. | | 1968 | 5758051 |
| discovery of an aedes (stegomyia) albopictus population and first records of aedes (stegomyia) aegypti in canada. | a population of aedes (stegomyia) albopictus (skuse) (diptera: culicidae), a vector of chikungunya, dengue, yellow fever, and zika and west nile viruses, has been detected in windsor, ontario, canada from 2016 onwards. here, we describe its seasonal distribution, as well as the various aquatic habitats from which this species was collected and its larval co-habitation. we collected immatures from tires, treeholes, extruded polystyrene foam containers, discarded plastic cups, old recycling bins a ... | 2019 | 31566765 |
| a statewide survey of container aedes mosquitoes (diptera: culicidae) in north carolina, 2016: a multiagency surveillance response to zika using ovitraps. | native and invasive container-inhabiting aedes mosquitoes (diptera: culicidae) play important roles in the transmission of endemic and traveler-introduced arboviruses in the united states. in response to the emergence of zika virus into the americas, we surveyed the distribution of container aedes spp. of public health importance within north carolina during 2016 using ovitraps. a seasonal survey was conducted in 18 counties from the mountains to the coast to identify species incriminated in the ... | 2019 | 30380070 |
| vertical habitat stratification in sympatric and allopatric populations of aedes hendersoni and aedes triseriatus (diptera: culicidae). | vertical habitat stratification in populations of aedes hendersoni cockerell (diptera: culicidae) and aedes triseriatus (say) (diptera: culicidae) has been observed to varying degrees throughout the species' sympatric range, and potential causes of the phenomenon, including species competition and interaction, have been debated extensively. stratification patterns in oviposition in allopatric, sympatric, and marginally sympatric populations of both species were investigated and compared in this ... | 2019 | 30668721 |