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1965•Journal of Economic EntomologyRequires access

Dosage-Mortality Data on the Bollworm, Heliothis zea, and the Tobacco Budworm, Heliothis virescens, in Oklahoma12

P. D. Lingren, D. E. Bryan

Open publisher page 6 citations

Abstract

A relatively inexpensive, labor-saving method of rearing large numbers of bollworms, Heliothis zea (Boddie), and tobacco budworms, H. virescens (F.), was developed. Dosage-mortality data were obtained in the laboratory for both species from 3 locations in Oklahoma for DDT, Sevin® (now carbaryl), and Telodrin® (1,3,4,5,6,7,8,8-octachloro-1,3,3a,4,7,7a-hexahydro-4,7-methanoisobenzofuran). These data indicated that bollworms from the central part of the State were becoming resistant to DDT. Budworms were generally more tolerant than bollworms to all 3 insecticides; however, 1 strain of budworms was quite susceptible. Both species were extremely susceptible to Telodrin and showed relatively little, if any, resistance to Sevin.

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What this paper is about

A relatively inexpensive, labor-saving method of rearing large numbers of bollworms, Heliothis zea (Boddie), and tobacco budworms, H. virescens (F.), was developed. Dosage-mortality data were obtained in the laboratory for both species from 3 locations in Oklahoma for DDT, Sevin® (now carbaryl), and Telodrin® (1,3,4,5,6,7,8,8-octachloro-1,3,3a,4,7,7a-hexahydro-4,7-methanoisobenzofuran). These data indicated that bollworms from the central part of the State were becoming resistant to DDT. Budworms were generally more tolerant than bollworms to all 3 insecticides; however, 1 strain of budworms was quite susceptible. Both species were extremely susceptible to Telodrin and showed relatively little, if any, resistance to Sevin.

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Available abstract

A relatively inexpensive, labor-saving method of rearing large numbers of bollworms, Heliothis zea (Boddie), and tobacco budworms, H. virescens (F.), was developed. Dosage-mortality data were obtained in the laboratory for both species from 3 locations in Oklahoma for DDT, Sevin® (now carbaryl), and Telodrin® (1,3,4,5,6,7,8,8-octachloro-1,3,3a,4,7,7a-hexahydro-4,7-methanoisobenzofuran). These data indicated that bollworms from the central part of the State were becoming resistant to DDT. Budworms were generally more tolerant than bollworms to all 3 insecticides; however, 1 strain of budworms was quite susceptible. Both species were extremely susceptible to Telodrin and showed relatively little, if any, resistance to Sevin.

Key concepts: Heliothis virescens, Biology, Bollworm, Heliothis zea, Heliothis, Carbaryl, Toxicology, Lepidoptera genitalia

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Dosage-Mortality Data on the Bollworm, Heliothis zea, and the Tobacco Budworm, Heliothis virescens, in Oklahoma12 — Research Paper | ScholarLens