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J Insect Physiol


Title:"Effects of sensory stimuli on the behavioural phase state of the desert locust, Schistocerca gregaria"
Author(s):Roessingh P; Bouaichi A; Simpson SJ;
Address:"Institute for Systematics and Population Biology, University of Amsterdam, Kruislaan 320 1098 SM Amsterdam, The Netherlands"
Journal Title:J Insect Physiol
Year:1998
Volume:44
Issue:10
Page Number:883 - 893
DOI: 10.1016/s0022-1910(98)00070-5
ISSN/ISBN:0022-1910 (Print) 0022-1910 (Linking)
Abstract:"The nature of stimuli, emanating from other locusts, which are effective in inducing gregarization in the desert locust was investigated. Isolated-reared fifth-instar nymphs were subjected to tactile, visual and olfactory stimuli, presented singly and in combination, and the effect on the behavioural phase state was quantified using logistic regression analysis. Tactile stimulation provided by rolling paper spheres proved to be highly gregarizing, whether presented alone or in combination with the other stimuli. Olfactory and visual stimuli together caused partial behavioural gregarization. Visual stimulation alone was weakly gregarizing after prolonged exposure, while olfactory stimuli alone were ineffective. Nymphs and pre-reproductive and reproductive adults of both sexes were also treated with synthetic adult male ;aggregation' pheromone blend (Torto et al., 1994, Journal of Chemical Ecology 20, 1749). No effect of this blend was found on the behavioural phase state, even when visual stimuli were present. Non-locust related stimuli, including wheat odour and flashing lights, were also tested on nymphs. Neither induced any change in the behavioural phase state, indicating that increased sensory flow is not a sufficient explanation for locust-induced behavioural phase change"
Keywords:
Notes:"PubMed-not-MEDLINERoessingh, P Bouaichi, A Simpson, S J eng England 2003/05/29 J Insect Physiol. 1998 Oct; 44(10):883-93. doi: 10.1016/s0022-1910(98)00070-5"

 
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