Journal
JOURNAL OF MEDICAL ENTOMOLOGY
Volume 59, Issue 2, Pages 788-794Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/jme/tjab230
Keywords
climate change; biorational insecticidal effect; mosquito control; plant essential oil; environmentally friendly larvicide
Categories
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2016R1A6A1A05011910]
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This study assessed the larvicidal potential of Methyl benzoate (MBe) against fourth-instar larvae of Aedes albopictus and Culex pipiens. The results showed a positive association between MBe concentrations and larval mortality in both species. The LC50 values of MBe against the fourth-instar larvae of Aedes albopictus and Culex pipiens were 61 ppm and 185 ppm, respectively, indicating its potential as an environmentally friendly larvicidal agent for mosquito control.
Methyl benzoate (MBe) is a volatile organic molecule found in various plants; it is used as an insect semiochemical. MBe also has a biorational insecticidal effect against various agricultural and urban arthropod pests. The present study was the first to assess the larvicidal potential of MBe against fourth-instar larvae of the mosquitoes Aedes albopictus (Skuse) and Culex pipiens (L.). A positive association was observed between MBe concentrations and larval mortality in both the species. The highest mortality recorded was 100% for Ae. albopictus and 56% for Cx. pipiens after 24 h of exposure to 200 ppm MBe. The lethal median concentration (LC50) values of MBe against fourth-instar larvae of Ae. albopictus and Cx. pipiens were 61 ppm and 185 ppm, respectively. These results suggest that MBe has great potential for use as an environmentally friendly larvicidal agent for mosquito control.
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