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United States Department of Agriculture

Agricultural Research Service

Research Project: Ovicidal Biopesticides for Mosquito Control

Location: Crop Bioprotection Research

Project Number: 5010-22410-014-06
Project Type: Specific Cooperative Agreement

Start Date: Aug 15, 2014
End Date: Aug 14, 2015

Objective:
1. Collect wild populations of Aedes albopictus, Aedes vexans, Ochlerotatus japonicus, and Ochlerotatus triseriatus for the purpose of harvesting eggs from mated females of these species; the eggs will be used in laboratory experiments conducted to determine susceptibility to entomopathogens. 2. Identify environmental variables and their critical values that influence, or are correlated with, Aedes albopictus, Aedes vexans, Ochlerotatus japonicus, and Ochlerotatus triseriatus female egg-laying site choice for the purpose of targeting optimal treatment sites.

Approach:
The overall purpose of the research is to develop ovicidal entomopathogens for deployment in the field. Specific goals include: 1) improvement of the efficacy and consistency of entomopathogens whose field application is shown to be technically feasible; 2) identify the environmental factors that influence choice of egg-laying sites. Implementation trials and collection of baseline ecological information including identification of larval habitats and factors influencing oviposition site selection will be conducted in the summer and fall of 2014 and spring and early summer of 2015. These trials will be conducted at sites in Peoria and Champaign counties where large populations of mosquitoes are known to occur. Optimization trials will be conducted in the spring and summer of 2015. Application under field conditions will be evaluated at the proposed sites and monitored by project scientists and their support staff at their assigned sites. The cost of field application of microbial ovicides will be estimated based on the number of man-hours spent in application, production cost, and application dose.

Last Modified: 10/24/2014
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