Abstract
An anthrone reagent was used to detect fructose in 2817 feral Aedes, Culex, Coquillettidia , and Psorophora females. Prior to fructose analyses, parity and devdopmental stages of terminal follicular development were determined. A relatively high incidence of nectar-feeding was found in Ae. contator (77%) and Cq. perturbans (57%). Of the 13 species examined, the lowest incidence (22%) of nectar-feeding was recorded for both Ae. stimulans and Cx. pipiens . Variation in monthly percentages of fructose-positive females was apparent in most species, but a gradual increase in nectar-feeding rates was noted for parous Ae. canacknsis, Ae. sollicitans , and Ae. stimulans from May to August. Fructose was found in both resting females and those seeking a blood meal, regardless of their age. Proportionately more females with stage I follicles contained fructose than did individuals with follicles containing yolk (stages I–II or II). Nectar-feeding among woodland and salt marsh mosquitoes was widespread in both nulliparous and parous flies. Also, females feed on nectar in all phases of the gonotrophic cycle.
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