The Absorption, Metabolism, and Excretion of C14-labelled TDE in Certain Insects1

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Information on absorption, excretion, and metabolism of topical applications of C14-labelled TDE was obtained for 2 species of lepidopterous larvae and the adult American cockroach, Periplaneta Americana (L.). The tobacco horn worm, Protoparce sexta (Johannson), larva and tile cockroach formed, internally, significant qnantities of 1,1-bis (p-chlorophenyl) 2,2- dichloro ethanol (FW-1.52) whereas the red-banded leaf roller, Argyrotaenia velutinana (Walker), larva degraded only minor amounts of absorbed TDE to FW-152 and several other compounds.

Certain analogs of TDE were applied to the horn worm and cockroach to determine whether the analogs are stable or transitory intermediates in the overall metabolic scheme. FW- 152 appeared to be the major end product in both insects. The compound was apparently formed directly from TDE rather than from an unknown intermediate. There was some evidence that p,p'-dichlorobenzophenone (DBP) was present in samples of the excreta of the cockroach at the later time intervals.

Document Type: Research Article

Publication date: April 1, 1964

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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