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Dieldrin and heptachlor residues in dead gray bats, Franklin County, Missouri--1976 versus 1977

Pesticides Monitoring Journal
By: , and 

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Abstract

Lethal dieldrin concentrations were found in the brains of dead gray bats (Myotis grisescens) collected during 1976 and 1977 beneath a maternity roost in a Missouri cave. In addition, residues of heptachlor epoxide, oxychlordane, cis-chlordane, and trans-nonachlor increased significantly in both brains and carcasses of bats collected during 1977. These increases appear to reflect a switch by local farmers from aldrin, dieldrin's parent compound, to heptachlor for the control of cutworms. They also constitute an additional threat to this colony of this endangered bat species.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Dieldrin and heptachlor residues in dead gray bats, Franklin County, Missouri--1976 versus 1977
Series title Pesticides Monitoring Journal
Volume 13
Issue 4
Year Published 1980
Language English
Publisher Federal Committee on Pest Control
Contributing office(s) Patuxent Wildlife Research Center
Description 4 p.
First page 137
Last page 140
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