DesplandHamzeh2004

Reference

Despland, E. and Hamzeh, S. (2004) Ontogenetic changes in social behaviour in the forest tent caterpillar, Malacosoma disstria. Behavioral Ecology and Sociobiology, 56(2):177-184.

Abstract

Many animals, including gregarious caterpillars, begin life in groups and become increasingly solitary as they grow larger. These ontogenetic changes in social behaviour suggest that the costs and benefits of grouping change with increasing individual size. Forest tent caterpillar (Malacosoma disstria) colonies exhibit complex social behaviour during the early larval instars, using pheromone trails to move together between temporary bivouacs and feeding sites, and break up as the caterpillars grow. We demonstrate changes in individual responses to cues from conspecifics that explain changes in aggregation during caterpillar development. We used Markov chain analysis to test the influence of pheromone trails and colony-mates on an individual caterpillar's tendency to switch between quiescence, searching, walking and spinning. Pheromone-laden silk trails increased the tendency to begin locomotion, whereas colony-mates increased switching from activity to quiescence. Trails also influenced the form taken by locomotor behaviour, and promoted directed walking over searching. Social cues thus increase the efficiency of individual locomotion. Younger larvae were more quiescent and more reluctant to walk in the absence of trails than were older insects. An increase in independent locomotion as the larvae grow provides a mechanism to explain colony break-up and points to an ontogenetic shift in the internal processes driving behaviour. Scaling relationships suggest that many of the benefits associated with group-living in caterpillars decrease as individuals grow larger, providing an adaptive explanation for observed ontogenetic changes in social behaviour. © Springer-Verlag 2004.

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@ARTICLE { DesplandHamzeh2004,
    AUTHOR = { Despland, E. and Hamzeh, S. },
    TITLE = { Ontogenetic changes in social behaviour in the forest tent caterpillar, Malacosoma disstria },
    JOURNAL = { Behavioral Ecology and Sociobiology },
    YEAR = { 2004 },
    VOLUME = { 56 },
    PAGES = { 177-184 },
    NUMBER = { 2 },
    NOTE = { 03405443 (ISSN) Cited By (since 1996): 4 Export Date: 27 April 2007 Source: Scopus CODEN: BESOD Language of Original Document: English Correspondence Address: Despland, E.; Biology Department; Concordia University; 7141 Sherbrooke St. W. Montreal, Que. H4B 1R6, Canada; email: despland@alcor.concordia.ca References: Addy, N.D., Rearing the forest tent caterpillar on an artificial diet (1969) J Econ Entomol, 62, pp. 270-271; Buech, R.R., Sex differences in behavior of beavers living in near-boreal lake habitat (1995) Can J Zool, 73, pp. 2133-2143; Butler, M.J., The cause and consequence of ontogenetic changes in social aggregation in New Zealand spiny lobsters (1999) Mar Ecol Prog Ser, 188, pp. 179-191; Childress, M.J., Herrnkind, W.F., The ontogeny of social behaviour among juvenile Caribbean spiny lobsters (1996) Anim Behav, 51, pp. 675-687; Costa, J.T., Pierce, N.E., Social evolution in the Lepidoptera: Ecological context and communication in larval societies (1997) The Evolution of Social Behaviour in Insects and Arachnids, pp. 407-442. , Choe J, Crespi B (eds) Cambridge University Press, Cambridge, UK; Costa, J.T., Gotzek, D.A., Janzen, D.H., Late-instar shift in foraging strategy and trail-pheromone use by caterpillars of the neotropical moth Arsenura armida (Cramer) (Saturniidae: Arsenurinae) (2003) J Lepid Soc, 57, pp. 220-229; Fitzgerald, T.D., An analysis of daily foraging patterns of laboratory colonies of the eastern tent caterpillar, Malacosoma americanum (Lepidoptera: Lasiocampidae), recorded photoelectronically (1980) Can Entomol, 112, pp. 731-738; Fitzgerald, T.D., Sociality in caterpillars (1993) Caterpillars: Ecological and Evolutionary Constraints on Foraging, pp. 372-403. , Stamp N, Casey T (eds) Chapman and Hall, New York; Fitzgerald, T.D., (1995) The Tent Caterpillars, , Cornell University Press, Ithaca, N.Y; Fitzgerald, T.D., Costa, J.T., Trail-based communication and foraging behavior of young colonies of forest tent caterpillars (Lepidoptera: Lasiocampidae) (1986) Ann Entomol Soc Am, 79, pp. 999-1007; Fitzgerald, T.D., Costa, J.T., Collective behavior in social caterpillars (1999) Information Processing in Social Insects, pp. 379-400. , Detrain C, Deneubourg JL, Pasteels JM (eds) Birkhauser, Basel; Fitzgerald, T.D., Edgerly, J.S., Specificity of trail markers of forest and eastern tent caterpillars (1979) J Chem Ecol, 5, pp. 564-574; Fitzgerald, T.D., Webster, F.X., Identification and behavioral assays of the trail pheromone of the forest tent caterpillar Malacosoma disstria Hu?bner (Lepidoptera: Lasiocampidae) (1993) Can J Zool, 71, pp. 1511-1515; Haccou, P., Meelis, E., (1992) Statistical Analysis of Behavioural Data: An Approach Based on Time-structured Models, , Oxford University Press, Oxford, UK; Hochuli, D.F., Insect herbivory and ontogeny: How do growth and development influence feeding behaviour, morphology and host use? (2001) Aust Ecol, 26, pp. 563-570; Ignell, R., Couillaud, F., Anton, S., Juvenile-hormone mediated plasticity of aggregation behaviour and olfactory processing in adult desert locusts (2001) J Exp Biol, 204, pp. 249-259; Krause, J., Ruxton, G.D., (2002) Living in Groups, , Oxford University Press, Oxford, UK; Losey, G.S., Ross, D., Higa, J., Estimating behavioural transition rates: Problems and solutions (2001) Ethology, 107, pp. 89-110; Losey, G.S., Sevenster, P., Can threespine stickle-backs learn when to display? Rewarded displays (1995) Anim Behav, 49, pp. 137-150; McFarland, D.J., Sibly, R.M., The behavioural final common path (1975) Philos Trans R Soc Lond, 270, pp. 265-293; Moorehouse, J.E., Ludlow, A.R., Fosbrooke, I.H.M., The control of walking behaviour in locusts: Interactions between competing reflex systems (1990) Anim Behav, 39, pp. 613-619; Nijhout, H.F., (1994) Insect Hormones, , Princeton University Press, Princeton, N.J; Peterson, S.C., Fitzgerald, T.D., Chemoorientation of eastern tent caterpillars to trail pheromone, 5b-cholestane-3,24-dione (1991) J Chem Ecol, 17, pp. 1963-1972; Ratchford, S., Eggleston, D., Size- and scale-dependent chemical attraction contribute to an ontogenetic shift in sociality (1998) Anim Behav, 56, pp. 1027-1034; Reavey, D., Why body size matters to caterpillars (1993) Caterpillars: Ecological and Evolutionary Constraints on Foraging, pp. 170-202. , Stamp NE, Casey TM (eds) Chapman and Hall, New York; Robison, D.J., (1993) The Feeding Ecology of the Forest Tent Caterpillar, Malacosoma disstria Hu?bner, among Hybird Poplar Clones, Populus Spp., , PhD dissertation, University of Wisconsin, Madison, Wis; Ryer, C.H., Olla, B.L., Agonistic behavior in a schooling fish - Form, function and ontogeny (1991) Environ Biol Fish, 31, pp. 355-363; Seeley, T.D., Adaptive significance of the age polyethism schedule in honeybee colonies (1982) Behav Ecol Sociobiol, 11, pp. 287-293; Simpson, S.J., Regulation of a meal: Chewing insects (1995) Regulatory Mechanims in Insect Feeding, pp. 137-156. , Chapman RF, de Boer G (eds) Chapman and Hall, New York; Simpson, S.J., Ludlow, A.R., Why locusts start to feed: A comparison of causal factors (1986) Anim Behav, 34, pp. 480-496; Stamhuis, E.J., Reede-Dekker, T., Van Etten, Y., De Wiljes, J.J., Videler, J.J., Behaviour and time allocation of the burrowing shrimp Callianassa subterranea (Decopoda, Thalasinidae) (1996) J Exp Mar Biol Ecol, 204, pp. 225-239; Stopka, P., Macdonald, D.W., The market effect in the wood mouse, Apodemus sylvaticus: Selling information on reproductive status (1999) Ethology, 105, pp. 969-982; Werner, E.E., Gilliam, J.F., The ontogenetic niche and species interactions in size-structured populations (1984) Annu Rev Ecol Syst, 15, pp. 393-425. },
    ABSTRACT = { Many animals, including gregarious caterpillars, begin life in groups and become increasingly solitary as they grow larger. These ontogenetic changes in social behaviour suggest that the costs and benefits of grouping change with increasing individual size. Forest tent caterpillar (Malacosoma disstria) colonies exhibit complex social behaviour during the early larval instars, using pheromone trails to move together between temporary bivouacs and feeding sites, and break up as the caterpillars grow. We demonstrate changes in individual responses to cues from conspecifics that explain changes in aggregation during caterpillar development. We used Markov chain analysis to test the influence of pheromone trails and colony-mates on an individual caterpillar's tendency to switch between quiescence, searching, walking and spinning. Pheromone-laden silk trails increased the tendency to begin locomotion, whereas colony-mates increased switching from activity to quiescence. Trails also influenced the form taken by locomotor behaviour, and promoted directed walking over searching. Social cues thus increase the efficiency of individual locomotion. Younger larvae were more quiescent and more reluctant to walk in the absence of trails than were older insects. An increase in independent locomotion as the larvae grow provides a mechanism to explain colony break-up and points to an ontogenetic shift in the internal processes driving behaviour. Scaling relationships suggest that many of the benefits associated with group-living in caterpillars decrease as individuals grow larger, providing an adaptive explanation for observed ontogenetic changes in social behaviour. © Springer-Verlag 2004. },
    KEYWORDS = { Aggregation Group-living Lepidoptera Social foraging Trail-following Malacosoma disstria },
    OWNER = { racinep },
    TIMESTAMP = { 2007.09.07 },
}

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