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Insect antifeedants: a behavioural and electrophysiological investigation of natural and synthetically derived clerodane diterpenoids
Author(s) -
Blaney W. M.,
Simmonds M. S. J.,
Ley S. V.,
Jones P. S.
Publication year - 1988
Publication title -
entomologia experimentalis et applicata
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.765
H-Index - 83
eISSN - 1570-7458
pISSN - 0013-8703
DOI - 10.1111/j.1570-7458.1988.tb01121.x
Subject(s) - spodoptera littoralis , biology , heliothis virescens , lepidoptera genitalia , spodoptera litura , noctuidae , insect , spodoptera , botany , biochemistry , gene , recombinant dna
Natural and synthetic clerodane diterpenoids were assayed behaviourally and electrophysiologically as antifeedants against larvae of Spodoptera exempta (Walker), S. littoralis (Boisduval), S. frugiperda (J. E. Smith), Heliothis armigera (Hübner) and H. virescens (F.). The constitution of the decalin ring and the furofuran side chain were found to have an important antifeedant effect. A correlation of behavioural and electrophysiological responses of the species of Spodoptera revealed aspects of their neural codes and provided some insight into the receptor mechanisms that may operate in individual neurones. The oligophagous S. exempta was more susceptible than the polyphagous species.