The effectiveness of a granular plant oil (lemon grass, peppermint, and garlic oil) preparation marketed as an herbal mosquito and "gnat" repellent for lawn application was investigated in residential yards in suburban and rural settings in southeastern Georgia, USA during July and August of 2001. Paired CDC light traps, baited with live yeast cultures, were placed in each of four yards in treated and untreated areas. Collections were made every other night for two weeks after each of three sequential applications of the herbal preparation. No significant differences were found in the abundance or diversity of mosquitoes or "gnats" (any non-culicid nematocerous Diptera) in treated versus untreated areas in either suburban or rural settings.
Species 1: Diptera Culicidae
Keywords: repellent, mosquito
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