Behavioural and neurophysiological responses of Spodoptera littoralis to azadirachtin and a range of synthetic analogues

M. S.J. Simmonds; W. M. Blaney; S. V. Ley; J. C. Anderson; R. Banteli; A. A. Denholm; P. C.W. Green; R. B. Grossman; C. Gutteridge; L. Jennens; S. C. Smith; P. L. Toogood; A. Wood

doi:10.1111/j.1570-7458.1995.tb01987.x

Behavioural and neurophysiological responses of Spodoptera littoralis to azadirachtin and a range of synthetic analogues

M. S.J. Simmonds, W. M. Blaney, S. V. Ley, J. C. Anderson, R. Banteli, A. A. Denholm, P. C.W. Green, R. B. Grossman, C. Gutteridge, L. Jennens, S. C. Smith, P. L. Toogood, A. Wood

Chemistry

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

The antifeedant activity of azadirachtin and 56 azadirachtin analogues, including 22, 23‐dihydroazadirachtin, against larvae of Spodoptera littoralis was investigated using behavioural and electrophysiological bioassays. None of the analogues was as active as azadirachtin, although many showed significant antifeedant activity at high concentrations. The majority of the analogues stimulated a dose‐dependent response from a neurone in the medial styloconic maxillary sensilla which correlated with the behavioural activity. Methylation of the hydroxy substitutions on the azadirachtin molecule usually resulted in a decrease in antifeedant activity, as did the addition of bulky groups to the dihydrofuran ring. 1995 The Netherlands Entomological Society

Original language	English
Pages (from-to)	69-80
Number of pages	12
Journal	Entomologia Experimentalis et Applicata
Volume	77
Issue number	1
DOIs	https://doi.org/10.1111/j.1570-7458.1995.tb01987.x
State	Published - Oct 1995

Keywords

Spodoptera littoralis
antifeedant
azadirachtin
azadirachtin analogues
behaviour
electrophysiology

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Insect Science

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10.1111/j.1570-7458.1995.tb01987.x

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Simmonds, M. S. J., Blaney, W. M., Ley, S. V., Anderson, J. C., Banteli, R., Denholm, A. A., Green, P. C. W., Grossman, R. B., Gutteridge, C., Jennens, L., Smith, S. C., Toogood, P. L., & Wood, A. (1995). Behavioural and neurophysiological responses of Spodoptera littoralis to azadirachtin and a range of synthetic analogues. Entomologia Experimentalis et Applicata, 77(1), 69-80. https://doi.org/10.1111/j.1570-7458.1995.tb01987.x

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abstract = "The antifeedant activity of azadirachtin and 56 azadirachtin analogues, including 22, 23‐dihydroazadirachtin, against larvae of Spodoptera littoralis was investigated using behavioural and electrophysiological bioassays. None of the analogues was as active as azadirachtin, although many showed significant antifeedant activity at high concentrations. The majority of the analogues stimulated a dose‐dependent response from a neurone in the medial styloconic maxillary sensilla which correlated with the behavioural activity. Methylation of the hydroxy substitutions on the azadirachtin molecule usually resulted in a decrease in antifeedant activity, as did the addition of bulky groups to the dihydrofuran ring. 1995 The Netherlands Entomological Society",

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Simmonds, MSJ, Blaney, WM, Ley, SV, Anderson, JC, Banteli, R, Denholm, AA, Green, PCW, Grossman, RB, Gutteridge, C, Jennens, L, Smith, SC, Toogood, PL & Wood, A 1995, 'Behavioural and neurophysiological responses of Spodoptera littoralis to azadirachtin and a range of synthetic analogues', Entomologia Experimentalis et Applicata, vol. 77, no. 1, pp. 69-80. https://doi.org/10.1111/j.1570-7458.1995.tb01987.x

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AU - Denholm, A. A.

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AU - Gutteridge, C.

AU - Jennens, L.

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AU - Toogood, P. L.

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Behavioural and neurophysiological responses of Spodoptera littoralis to azadirachtin and a range of synthetic analogues

Abstract

Keywords

ASJC Scopus subject areas

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