Toxic and antifeeding actions of melittin in the corn earworm, Heliothis zea (Boddie): comparisons to bee venom and the insecticides chlorpyriphos and cyromazine

The acute and sublethal effects of melittin were compared to whole bee venom, chlorpyriphos and cyromazine injected into the corn earworm, Heliothis zea (Boddie). Melittin had twice the toxicity of crude venom, but only 3% that of chlorpyriphos. Melittin significantly reduced growth rate, diet consu...

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Bibliographic Details
Published inToxicon (Oxford) Vol. 25; no. 3; pp. 307 - 313
Main Authors Ross, D.C, Crim, J.W, Brown, M.R, Herzog, G.A, Lea, A.O
Format Journal Article
LanguageEnglish
Published England 1987
Subjects
antifeedants
Apoidea
Bee Venoms - pharmacology
Chlorpyrifos - pharmacology
Eating - drug effects
Helicoverpa zea
Insecta
Insecticides
Larva - drug effects
Lethal Dose 50
Melitten - pharmacology
melittin
toxicity
toxins
Triazines - pharmacology
venoms
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Summary:The acute and sublethal effects of melittin were compared to whole bee venom, chlorpyriphos and cyromazine injected into the corn earworm, Heliothis zea (Boddie). Melittin had twice the toxicity of crude venom, but only 3% that of chlorpyriphos. Melittin significantly reduced growth rate, diet consumption and food utilization efficiencies of fourth instar larvae. Bee venom and insecticides reduced these parameters to a lesser extent.
ISSN:0041-0101
1879-3150
DOI:10.1016/0041-0101(87)90259-5