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Poster Session

Poster Session

P-41 - Evaluating a modified CO2-baited CDC light trap to improve trapping effectiveness in a La Crosse virus endemic area.

Wednesday, March 5, 2025
12:15 PM – 1:45 PM AST
Location: Hall A
Invasive mosquitoes are increasingly being recognized in the United States. Traditional surveillance methods, particularly the CO2-baited CDC light trap, may not effectively represent the richness of mosquitoes, especially invasive species, in their captures. Indeed, some mosquito control agencies use these traps with and without lights to collect mosquitoes that are exhibit positive or negative phototaxy. However, evidence supporting the effectiveness of these approaches is limited. Here we describe on-going efforts to improve the CO2-baited CDC light trap capture effectiveness using an open-source electronic prototyping platform to modify light patterns of the trap (15-minute on/off intervals). This poster presents the trap modifications and the results of four field trials in a La Crosse virus endemic region using the standard CDC light trap (with and without incandescent light) and the blink interval using a 3 X 3 Latin-square design study. The results are contextualized both in terms of invasive species captures and overall trap effectiveness.