SimpsonDesplandHageleEtAl2001

Reference

Simpson, S.J., Despland, E., Hagele, B.F. and Dodgson, T. (2001) Gregarious behavior in desert locusts is evoked by touching their back legs. Proceedings of the National Academy of Sciences of the United States of America, 98(7):3895-3897.

Abstract

Desert locusts in the solitarious phase were repeatedly touched on various body regions to identify the site of mechanosensory input that elicits the transition to gregarious phase behavior. The phase state of individual insects was measured after a 4-h period of localized mechanical stimulation, by using a behavioral assay based on multiple logistic regression analysis. A significant switch from solitarious to gregarious behavior occurred when the outer face of a hind femur had been stimulated, but mechanical stimulation of 10 other body regions did not result in significant behavioral change. We conclude that a primary cause of the switch in behavior that seeds the formation of locust swarms is individuals regularly touching others on the hind legs within populations that have become concentrated by the environment.

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@ARTICLE { SimpsonDesplandHageleEtAl2001,
    AUTHOR = { Simpson, S.J. and Despland, E. and Hagele, B.F. and Dodgson, T. },
    TITLE = { Gregarious behavior in desert locusts is evoked by touching their back legs },
    JOURNAL = { Proceedings of the National Academy of Sciences of the United States of America },
    YEAR = { 2001 },
    VOLUME = { 98 },
    PAGES = { 3895-3897 },
    NUMBER = { 7 },
    NOTE = { 00278424 (ISSN) Cited By (since 1996): 35 Export Date: 27 April 2007 Source: Scopus CODEN: PNASA doi: 10.1073/pnas.071527998 Language of Original Document: English Correspondence Address: Simpson, S.J.; Department of Zoology; University Museum of Natural History; South Parks Road Oxford OX1 3PS, United Kingdom; email: stephen.simpson@zoo.ox.ac.uk References: Dingle, H., (1995) Migration: The Biology of Life on the Move, , Oxford Univ. Press, Oxford; Uvarov, B., (1966) Grasshoppers and Locusts, 1. , Cambridge Univ. Press, Cambridge, U.K; Pener, M.P., (1991) Adv. Insect Physiol., 23, pp. 1-79; Pener, M.P., Yerushalmi, Y., (1998) J. Insect Physiol., 44, pp. 365-377; Simpson, S.J., McCaffery, A.R., Ha?gele, B.F., (1999) Biol. Rev., 74, pp. 461-480; Collett, M., Despland, E., Simpson, S.J., Krakauer, D.C., (1998) Proc. Natl. Acad. Sci. USA, 95, pp. 13052-13055; Bouai?chi, A., Simpson, S.J., Roessingh, P., (1996) Physiol. Entomol., 21, pp. 247-256; Despland, E., Simpson, S.J., (2000) Animal. Behav., 59, pp. 643-652; Despland, E., Simpson, S.J., (2000) Physiol. Entomol., 25, pp. 74-81; Despland, E., Simpson, S.J., Collett, M., (2000) Oikos, 88, pp. 652-662; Rainey, R.C., (1989) Migration and Meteorology, , Clarendon, Oxford; Simpson, S.J., Raubenheimer, D., (2000) Proc. Nutr. Soc., 58, pp. 779-789; Sword, G.A., Simpson, S.J., El Hadi, O.T.M., Wilps, H., (2000) Proc. R. Soc. London Ser. B, 267, pp. 63-68; Roessingh, P., Bouai?chi, A., Simpson, S.J., (1998) J. Insect Physiol., 44, pp. 883-893; Ha?gele, B., Simpson, S.J., (2000) J. Insect Physiol., 46, pp. 1295-1301; Uvarov, B., (1977) Grasshoppers and Locusts, 2. , Centre for Overseas Pest Research, London; Burrows, M., (1996) The Neurobiology of an Insect Brain, , Oxford Univ. Press, Oxford; Roessingh, P., Simpson, S.J., James, S., (1993) Proc. R. Soc. London Ser. B, 252, pp. 43-49; Hassanali, A., Torto, B., (1999) Pheromones of Non-Lepidopteran Insects Associated with Agricultural Plants, pp. 305-328. , eds. Hardie, J. \& Minks, A. K. (CABI, Wallingford, U.K.); Heifetz, Y., Boekhoff, I., Breer, H., Applebaum, S.W., (1997) Insect Biochem. Mol. Biol., 27, pp. 563-568; Ellis, P.E., Pearce, A., (1962) Anim. Behav., 10, pp. 305-318; Kennedy, J.S., (1939) Trans. R. Entomol. Soc. London, 89, pp. 385-542; Roffey, J., Popov, G., (1968) Nature (London), 219, pp. 446-450. },
    ABSTRACT = { Desert locusts in the solitarious phase were repeatedly touched on various body regions to identify the site of mechanosensory input that elicits the transition to gregarious phase behavior. The phase state of individual insects was measured after a 4-h period of localized mechanical stimulation, by using a behavioral assay based on multiple logistic regression analysis. A significant switch from solitarious to gregarious behavior occurred when the outer face of a hind femur had been stimulated, but mechanical stimulation of 10 other body regions did not result in significant behavioral change. We conclude that a primary cause of the switch in behavior that seeds the formation of locust swarms is individuals regularly touching others on the hind legs within populations that have become concentrated by the environment. },
    KEYWORDS = { animal behavior locust Behavior, Animal },
    OWNER = { racinep },
    TIMESTAMP = { 2007.09.07 },
}

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