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United States Department of Agriculture

Agricultural Research Service

Research Project: Survey of Ant Species and Their Defensive Chemicals

Location: Biological Control of Pests Research

2013 Annual Report

1a. Objectives (from AD-416):
Investigate the defensive chemistry of native and exotic ants in Mississippi and search new natural toxins for fire ant control.

1b. Approach (from AD-416):
Many ants coexist with fire ants and some play an important role in suppressing establishment of fire ant colonies. However, how their defensive chemicals affect fire ants has not been well investigated. Ants will be collected from different habitats in Mississippi. Their raw extracts will be evaluated for toxicity against fire ants. Chemical analysis will be performed on positive extracts to determine chemical identities of active components.

3. Progress Report:
Ants in different habitats were collected for screening toxic compounds against imported fire ants. An ant species was found in Stoneville, MS. Its defensive secretion has quick knockdown effect to fire ants. The identification of the active compounds is ongoing.

4. Accomplishments

Last Modified: 10/18/2017
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