Comparison of Three Trapping Methods Used to Collect Mosquitoes in Massachusetts

Abstract

The Massachusetts Eastern Encephalitis Surveillance Program collects mosquitoes routinely at established sites using unbaited CDC light traps. In 1991 and 1992, duplex cone traps with CO₂ and CDC light traps with CO₂ were also used to augment regular mosquito collections. Results using each trapping method were compared for Aedes canadensis, Aedes vexans, Coquillettidia perturbans and Culiseta melanura. Unbaited CDC light traps were the best of the three methods at capturing Cs. melanura. Duplex cone traps were the best at capturing Ae. canadensis, and CO₂ baited CDC light traps were the best for Ae. vexans. Duplex cone traps and CO₂-baited CDC light traps were excellent for collecting Cq. perturbans.

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