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1 December 2009 Age Modifies the Effect of Body Size on Fecundity in Culex quinquefasciatus Say (Diptera: Culicidae)
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Abstract

Fecundity of mosquitoes can vary with many factors and can have a strong effect on population growth. This study reports the effects of body size, blood meal size, and age on the reproductive output of nulliparous Culex quinquefasciatus, a vector of arboviruses and other pathogens. Mated adult female mosquitoes from a colony were reared under standard conditions and fed on chickens at different ages post-eclosion. Blood meal size and wing length were recorded, as well as the number of eggs in the first-cycle egg raft. Each of these factors had a significant influence on fecundity considered in a simple regression context. Multiple regression analysis revealed a significant interaction effect between age and body size on fecundity. Up to 13 days of age, fecundity was positively correlated with body size, but in mosquitoes older than 13 days, this relationship was not significantly different from zero. These results are discussed in terms of the known physiology of this and other species.

Sean McCann, Jonathan F. Day, Sandra Allan, and Cynthia C. Lord "Age Modifies the Effect of Body Size on Fecundity in Culex quinquefasciatus Say (Diptera: Culicidae)," Journal of Vector Ecology 34(2), 174-181, (1 December 2009). https://doi.org/10.3376/038.034.0202
Received: 13 January 2009; Accepted: 1 June 2009; Published: 1 December 2009
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