| identification and genetic analysis of kadipiro virus isolated in shandong province, china. | kadipiro virus (kdv) belongs to the reoviridae family, which consists of segmented, non-enveloped, double-stranded rna viruses. it has previously been isolated from culex, anopheles, armigeres and aedes mosquitoes in indonesia and china. here, we describe the isolation and characterization of sdkl1625 from anopheles sinensis mosquitoes in shandong province, china. | 2018 | 29625620 |
| molecular evidence for new sympatric cryptic species of aedes albopictus (diptera: culicidae) in china: a new threat from aedes albopictus subgroup? | aedes (stegomyia) albopictus (skuse) is an indigenous species and the predominant vector of dengue fever in china. understanding of genetic diversity and structure of the mosquito would facilitate dengue prevention and vector control. sympatric cryptic species have been identified in the ae. albopictus subgroup in southeast asia; however, little is known about the presence and distribution of cryptic species in china. this study aimed to examine the genetic diversity, evaluate potential new cryp ... | 2018 | 29618379 |
| age and body size influence sperm quantity in male aedes albopictus (diptera: culicidae) mosquitoes. | aedes albopictus (skuse) (diptera: culicidae) is a vector of several arboviruses impacting human health, including dengue, chikungunya, and potentially zika. vector control strategies that deploy modified males into the field are in use or under development and require a solid understanding of male biology; unfortunately, there has been limited effort to understand male ae. albopictus reproductive biology, including sperm production and capacity. we tested whether body size and age affect sperma ... | 2018 | 29618076 |
| bioefficacy of insect growth regulators against aedes albopictus (diptera: culicidea) from sarawak, malaysia: a statewide survey. | the susceptibility status of aedes albopictus (skuse; diptera: culicidea) larvae collected from 13 districts in sarawak state, malaysia was evaluated against five insect growth regulators (igrs) namely, methoprene, pyriproxyfen, diflubenzuron, cyromazine, and novaluron. field populations of ae. albopictus were susceptible to methoprene, pyriproxyfen, cyromazine and novaluron with resistance ratios (rrs) ranging from 0.19-0.38, 0.05-0.14, 0.50-0.95, and 0.75-1.00, respectively. nevertheless, tole ... | 2018 | 29617840 |
| investigation of temperature conditions in swiss urban and suburban microhabitats for the overwintering suitability of diapausing aedes albopictus eggs. | in switzerland, the invasive asian tiger mosquito, aedes albopictus, is firmly established in the canton of ticino, south of the alps. according to a large-scale distribution model developed in 2013, suitable climatic conditions for the establishment of ae. albopictus north of the alps are found in basel and geneva while zurich appears to be characterized by winters currently being too cold for survival of diapausing eggs. however, the spatial resolution of large-scale distribution models might ... | 2018 | 29587850 |
| establishment of a medium-scale mosquito facility: tests on mass production cages for aedes albopictus (diptera: culicidae). | mass egg production is an important component of aedes albopictus mosquito control programs, such as the sterile insect technique and incompatible insect technique, which requires the releases of large number of sterile males. developing standard operating procedures and optimized cages for adult maintenance of ae. albopictus can improve the mass rearing efficiency. | 2018 | 29554945 |
| synthesis and characterization of nitrile functionalized silver(i)-n-heterocyclic carbene complexes: dna binding, cleavage studies, antibacterial properties and mosquitocidal activity against the dengue vector, aedes albopictus. | a series of four benzimidazolium based nitrile-functionalized mononuclear-ag(i)-n-heterocyclic carbene and binuclear-ag(i)-n-heterocyclic carbene (ag(i)-nhc) hexafluorophosphate complexes (5b-8b) were synthesized by reacting the corresponding hexafluorophosphate salts (1b-4b) with ag2o in acetonitrile, respectively. these compounds were characterized by 1h nmr, 13c nmr, ir, uv-visible spectroscopic techniques, elemental analyses and molar conductivity. additionally, 8b was structurally character ... | 2018 | 29550733 |
| [analysis of population genetic diversity of mosquitoes from shandong province based on mitochondrial dna cytochrome oxidase subunit i gene fragment]. | to explore the characteristics of gene sequence of mtdna-coⅰ of culex pipiens pallens from different geographical regions in shandong province and different resistant strains from the lab and five common mosquito species, and analyze the genetic diversity of these mosquitoes. | 2017 | 29536705 |
| synthesis, bioassays and field evaluation of hydroxycoumarins and their alkyl derivatives as repellents or kairomones for aedes albopictus skuse (diptera: culicidae). | in recent years, a significant increase in mosquito-borne diseases has been recorded worldwide. faced with the limitations of existing methods for controlling the vector mosquito population, the development of attractants to bait traps and repellents to limit host-vector contacts could be promising and environmentally-friendly control strategies. the purpose of this study was to evaluate the effect of hydroxycoumarins and their alkyls derivatives against aedes albopictus, the main vector of seve ... | 2018 | 29524072 |
| local extinction of the asian tiger mosquito (aedes albopictus) following rat eradication on palmyra atoll. | the asian tiger mosquito, aedes albopictus, appears to have been extirpated from palmyra atoll following rat eradication. anecdotal biting reports, collection records, and regular captures in black-light traps showed the species was present before rat eradication. since then, there have been no biting reports and no captures over 2 years of extensive trapping (black-light and scent traps). by contrast, the southern house mosquito, culex quinquefasciatus, was abundant before and after rat eradica ... | 2018 | 29491026 |
| diversity and abundance of mosquitoes inhabiting waste tires in a subtropical swamp in urban florida. | automobile tires discarded in urban forest fragments may be a public health hazard, as they can support a population of vector mosquitoes. however, little is known about what factors may affect mosquito abundance and diversity within waste tires in a freshwater wetland forest. this study aimed to determine whether mosquito population dynamics in this environment in florida differed over a year due to the site of collection and variation in vegetation greenness and elevation. we constructed negat ... | 2018 | 31442111 |
| linear relationship between peak and season-long abundances in insects. | an accurate quantitative relationship between key characteristics of an insect population, such as season-long and peak abundances, can be very useful in pest management programs. to the best of our knowledge, no such relationship has yet been established. here we establish a predictive linear relationship between insect catch mpw during the week of peak abundance, the length of seasonal flight period, f (number of weeks) and season-long cumulative catch (abundance) a = 0.41mpwf. the derivation ... | 2018 | 29470528 |
| [population structure and seasonal dynamics of mosquitoes in different types of residential areas]. | to investigate the effect of the type of neighborhoods on the population structure and dynamics of mosquitoes. | 2017 | 29469450 |
| synthesis, characterization and efficacy of silver nanoparticles against aedes albopictus larvae and pupae. | silver nanoparticles have been studied in a wide range of medical and entomological research works due to their eco-friendly aspects. in our study salicylic acid (sa) and its derivative, 3,5-dinitrosalicylic acid (dns), were used in a one-step synthesis of silver nanoparticles (agnps). first, uv-vis absorption spectroscopy was used to detect the formation of agnps. second, the synthesized nanoparticles were characterized using scanning electron microscope, transmission electron microscope; energ ... | 2018 | 29463408 |
| forecasting the spatial and seasonal dynamic of aedes albopictus oviposition activity in albania and balkan countries. | the increasing spread of the asian tiger mosquito, aedes albopictus, in europe and us raises public health concern due to the species competence to transmit several exotic human arboviruses, among which dengue, chikungunya and zika, and urges the development of suitable modeling approach to forecast the spatial and temporal distribution of the mosquito. here we developed a dynamical species distribution modeling approach forecasting ae. albopictus eggs abundance at high spatial (0.01 degree wgs8 ... | 2018 | 29432489 |
| larval superiority of culex pipiens to aedes albopictus in a replacement series experiment: prospects for coexistence in germany. | the asian tiger mosquito aedes albopictus is an extremely invasive, globally distributed and medically important vector of various human and veterinary pathogens. in germany, where this species was recently introduced, its establishment may become modulated by interspecific competition from autochthonous mosquito species, especially culex pipiens (s.l.). while competitive superiority of ae. albopictus to cx. pipiens (s.l.) has been described elsewhere, it has not been assessed in the epidemiolog ... | 2018 | 29394910 |
| potential for sublethal insecticide exposure to impact vector competence of aedes albopictus (diptera: culicidae) for dengue and zika viruses. | chikungunya, dengue, and zika viruses (chikv, family togaviridae, genus alphavirus; denv and zikv, family flaviviridae, genus flavivirus) are arboviruses that cause human epidemics. due to the lack of vaccines for many mosquito-borne diseases, there is a need for mosquito control. in the us and other regions, residual barrier insecticide sprays are applied to foliage where female mosquitoes rest and/or sugar feed between blood meals. residual sprays are an important control method for anthropoge ... | 2017 | 30050345 |
| prevention and control of mosquitoes and mosquito-borne infectious diseases. | the imported dengue cases has increased recently, and 162 autochthonous dengue cases were reported in 2014 in japan. since late 2014, the zika virus has spread widely throughout the americas. the surveillance for the invasion of these mosquito-borne infectious diseases is indispensable. japanese encephalitis is found throughout asia and there is still a risk of human infection in japan. over 3,500 species of mosquitoes have been documented through- out the world, and over 100 in japan. among the ... | 2016 | 30550667 |
| [isolation and identification of the nam dinh virus from mosquitoes on the china-laos-myanmar border]. | three strains of an insect nidovirus, the nam dinh virus (ndiv), isolated in yunnan province, china, have been identified. aedes albopictus c6/36 cells were used to isolate ndiv from mosquitoes collected in yunnan province in 2012.culture supernatants with a positive cytopathic effect were harvested for virus identification by sequence-independent single primer amplification. transmission electron microscopy revealed virion structure to be spherical with a diameter of 60~80nm.reverse transcripti ... | 2016 | 30004652 |
| effects of sugar concentration on fecundity, biting behavior and survivability of female aedes (stegomyia) albopictus (skuse). | this study was conducted to better understand the effect of differentsucrose concentrations on aedes albopictus fecundity, biting behavior and survival.laboratory strain ae. albopictus females were raised at four different sucroseconcentrations (10%, 30%, 50%, and 70%) and their fecundity, host biting on andsurvival rates were determined. mosquitoes fed on high (50% or 70%) showedhigher mean fecundity rate compared to those on low (10% or 30%) sucrose concentration,and had higher daily biting ra ... | 2016 | 29634162 |
| [diapause of aedes albopictus and the related molecular mechanisms]. | aedes albopictus is an important transmitting vector of a wide range of arboviruses such as dengue virus and chikungunya virus. the rapid and aggressive global spread of aedes albopictus contributes to the rapid expansion of dengue virus. the diapause of aedes albopictus provides a crucial ecological basis for its adaptation to a wide range of climatic and geographical conditions. this review gives an update on research progress on diapause of aedes albopictus and the related molecular mechanism ... | 2016 | 30129739 |
| [chikungunya: an expanding epidemic that now threatens europe] | chikungunya: an expanding epidemic that now threatens europe. chikungunya virus, transmitted by aedes mosquito bites, belongs to the arbovirus group. originally circumscribed to sylvatic africa, it has caused numerous epidemics worldwide (including french overseas territories) for the past 60 years, and is now present on african, asian, oceania and american continents. during the acute phase of the infection, symptoms typically associate fever and arthralgia, but lethal complications can occur i ... | 2016 | 30512642 |