PMID: 7932606Jul 1, 1994Paper

Aedes albopictus (Diptera: Culicidae) population density and structure in southwest Louisiana

Journal of Medical Entomology
F S Willis, R S Nasci


Pupal density, wing length at emergence, host-seeking female abundance, and host-seeking female wing length and parity were determined monthly for a population of Aedes albopictus (Skuse) in a southwestern Louisiana tire dump from January 1988 through January 1989. Pupae and host-seeking females were first collected in April. Pupal densities were consistently high from June through September. Host-seeking female abundance was highest during July and August. Average female wing length was longest during spring, declined in midsummer, and increased slightly during fall. Average wing length was negatively correlated with average pupal density during the month of collection and with average air temperature recorded the previous month. Host-seeking females had consistently longer wings than emerging females, and parous host-seeking females had longer wings than nulliparous host-seeking females. Average wing length of the parous host-seeking females was consistently long throughout the season. Parity of host-seeking females parity was highest during July when approximately 21 parous host-seeking females were collected per hour. These results indicate that seasonal patterns in immature population density influence average body size an...Continue Reading

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