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Traps and trapping techniques for adult mosquito control.

An overview is presented of the recent advancements in research activities conducted to evaluate mosquito traps, insecticide-impregnated targets baited with combinations of attractants, and strategies for using mass trapping techniques for adult mosquito population management. Technologies that use semiochemicals (attractants), traps and targets, and mass trapping are relatively new for management of adult mosquito populations. To date, emphasis has been placed primarily on developing barriers of attractant-baited and insecticide-impregnated targets. The most successful continuous use of this type of technology has been at Stevens' Landing, Collier County, Florida. Recently, commercially available traps have been evaluated for their ability to reduce nuisance populations of mosquitoes. Whereas use of Mosquito Magnet Pro (MM-Pro) traps along a nature trail on an isolated island (Atsena Otie) in the Gulf of Mexico resulted in a significant reduction in annoyance caused by the black salt-marsh mosquito, Ochlerotatus taeniorhynchus (Wied.), a perimeter of the same traps did not result in the same level of mosquito reduction in a residential area in Gainesville, FL.

Animals↗

Mosquito control then, now, and in the future.

This is a memorial lecture honoring the late Professor Stanley B. Freeborn of the University of California. In the spirit of his life-long academic and research interests in mosquitoes and mosquito-borne diseases, I am presenting here the evolution of vector control technology, especially that pertaining to mosquitoes and mosquito-borne diseases during the 20th century. Vector control technology in the first half of this century was relatively simple, utilizing source reduction, larvivorous fish, petroleum hydrocarbon oils, and some simple synthetic and botanical materials. During the 2nd half of this century, however, various classes of synthetic organic chemicals, improved petroleum oil formulations, insect growth regulators, synthetic pyrethroids, and microbial control agents were developed and employed in mosquito control and control of other disease-vectoring insects. Among these groups of control agents, petroleum oil formulations have endured to be used through the whole century. It is likely that petroleum oil formulations, insect growth regulators, and microbial control agents will provide the main thrust against vectors at least during the first quarter of the 21st century. It is also possible that effective tools through the development of vaccines and molecular entomology techniques might become available for the control of vectors and vector-borne diseases during this period of the 21st century.

Animals↗

[The prospects for using Romanomermis culicivorax and R. iyengari (Nematoda: Mermithidae) for mosquito control in Azerbaijan].

The parasitic nematodes Romanomermis culicivorax and R. iyengari, were evaluated as a means of bloodsucking mosquito larvae control in Apsheron Peninsula (the city of Baku) and Lenkoran Lowland (Masally District) in Azerbaijan. Being once brought, mermithids got acclimatized in 12 shallow freshwater nonpolluted pools with aquatic flora and inhibited the emergence of 13-97% of mosquitoes during the summer period. R. culicivorax successfully survived the temporary drying (up to 2 weeks) in 3 and spent a winter in 2 water reservoirs. The possibility of R. iyengari settling via transmission of infected mosquito larvae from a "nursery" pool to a mermithid free water pool was proved. The larvae Cx. modestus, Cx. theileri, Ae. caspius and Ur. unguiculata are first registered as hosts of R. culicivorax and An. sacharovi, Cx. theileri and that of R. iyengari. Both mermithid species may be considered as a means of prolonged inhibition of mosquito emergence in the shallow nonpolluted fresh-water reservoirs in the Azerbaijan SSR.

Acclimatization↗