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A field evaluation of frogs as a potential source of secondary organophosphorus insecticide poisoning

Canadian Journal of Zoology

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Abstract

Because amphibians are relatively resistant to organophosphorus insecticides and can bioaccumulate residues to high levels, they may be a source of secondary poisoning for vertebrates that feed on them. This hypothesis was tested by determining residues in breeding upland chorus frogs Pseudacris triseriata, that were collected from ponds treated with the organophosphorus insecticide fenthion. Frogs were collected up to 3-days posttreatment in four areas that were treated with fenthion formulated in either diesel oil or water. No residues of fenthion were detected above the 0.01 ppm level of analytical sensitivity. These results indicate that the frogs were not a likely source of secondary poisoning for predatory vertebrates.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A field evaluation of frogs as a potential source of secondary organophosphorus insecticide poisoning
Series title:
Canadian Journal of Zoology
Volume
60
Issue:
9
Year Published:
1982
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
2233-2235
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
2233
Last page:
2235
Number of Pages:
3