A total of 475,431 mosquitoes representing 8 genera and 43 species were collected from a marsh in the western Kenya highlands to determine species composition and succession in relation to the epidemiology of Rift Valley fever virus. Culex pipiens was the most common species, totalling 92.3% of the collection, followed by Cx. zombaensis (2.2%), Anopheles coustani (1.1%), An. squamosus (0.8%), M...

Dengue occurs throughout the year in Hanoi, Vietnam, despite winter low temperatures <10°C. During July 2010 to March 2012, we surveyed monthly for Aedes larvae and pupae in 120 houses in 8 Hanoi districts. Aedes albopictus preferred discarded containers in summer and pupal density drastically decreased in winter. Aedes aegypti preferred concrete tanks and this preference increased in winter. E...

Ronald Ross (1905, 1911) thought that mosquitoes make only short, random flight. Many of the subsequent investigators, however, have shown long distance and wind-borne flight of a number of representatives of the mosquito genera, Anopheles, Aedes and Culex. The history and knowledge of mosquito dispersal by flight were recently summarized by Johnson (1969). Mosquito flight over the sea waters h...

The attraction of mosquitoes to transmitted light from colored super-bright light-emitting diodes (LEDs) (100-nm bandwidth) was evaluated by comparison of capture numbers with and without carbon dioxide-baited (200 ml/min) Centers for Disease Control (CDC) traps. Traps with either colored LEDs or control lights were arranged in Latin square designs at 2 north central Florida woodland locations ...

Importation of lucky bamboo (Dracaena sp.) stalk clusters has led to the accidental importation of Aedes albopictus in some countries. Current methods of fumigation using methyl bromide are harmful to live plants and thus are not acceptable. We exposed Aedes aegypti eggs to methyl bromide at rates of 32 g/m3 for 2 and 3 h and 48 g/m3 for 3 h, achieving complete control in 0/5, 1/5, and 5/5 repl...

Aedes species mosquitoes transmit chikungunya virus, as well as dengue and Zika viruses, and bite most often during the day.* Infectious mosquito bites frequently occur in and around homes (1,2). Caribbean countries first reported local transmission of chikungunya virus in December 2013, and soon after, chikungunya virus spread throughout the Americas (3). Puerto Rico reported its first laborat...

OBJECTIVE To determine the effectiveness of using sticky traps and the NS1 dengue antigen kit for the surveillance of Aedes mosquitoes for dengue control. METHODS Apartments were selected in a dengue-endemic area, and sticky traps were set to capture adult Aedes mosquitoes. NS1 dengue antigen kit was used to detect dengue antigen in mosquitoes, and positive mosquitoes were serotyped using rea...

Aedes triseriatus (Say) (Diptera: Culicidae), the major vector of La Crosse (LAC) virus, efficiently transmits LAC virus both horizontally and transovarially. We compared the vector competence and transovarial transmission ability of Ae. triseriatus, Aedes albopictus Skuse, and Aedes aegypti (L.) for LAC virus. Ae. triseriatus and Ae. albopictus were significantly more susceptible to oral infec...

Twenty isolates of Jamestown Canyon virus were obtained from adult females of 5 Aedes species collected at the Houghton Lake Wildlife Research Area, Missaukee County, in north-central Michigan between 1985 and 1989. Fourteen were from Aedes provocans, and 6 were from 4 other snowmelt Aedes species. One isolate of trivittatus virus and one Cache Valley-like virus were also obtained. Seasonal suc...

The Cry48Aa/Cry49Aa binary toxin of Bacillus sphaericus was recently discovered by its ability to kill Culex quinquefasciatus mosquito larvae through a novel interaction between its two components. We have investigated the target specificity of this toxin and show it to be non-toxic to coleopteran, lepidopteran and other dipteran insects, including closely related Aedes and Anopheles mosquitoes...