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Spider Flexibly Chooses Aggressive Mimicry Signals for Different Prey By Trial and Error

Spider Flexibly Chooses Aggressive Mimicry Signals for Different Prey By Trial and Error SPIDER FLEXIBLY CHOOSES AGGRESSIVE MIMICRY SIGNALS FOR DIFFERENT PREY BY TRIAL AND ERROR by ROBERT R. JACKSON1) and R. STIMSON WILCOX2,3) (1 Department of Zoology, University of Canterbury, Christchurch 1, New Zealand, and 2 Department of Biology, State University of New York at Binghamton, New York, U.S.A.) (With 3 Figures) (Acc. 6-VII-1993) Summary Portia is a jumping spider that invades other spiders' webs, makes vibratory signals that deceive the resident spider (aggressive mimicry), then attacks and eats the spider. Portia exploits a wide range of prey-spider species. Evidence is provided from observation and experimentation that Portia uses a trial-and-error method as part of its strategy for deriving appropriate signals for different prey. To use this method, Portia first broadcasts an array of different signals, then narrows to particular signals as a consequence of feedback from the prey spider. Feedback can be web vibration or seeing spiders move, or both. This appears to be an example of deception involving at least a limited form of learning, an uncommon phenomenon in invertebrates. Introduction Aggressive mimicry is a game of deceit in which a mimic, a predator, broadcasts misinformation interspecifically to potential prey. There are formal similarities between these predator-prey interactions and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Spider Flexibly Chooses Aggressive Mimicry Signals for Different Prey By Trial and Error

Jackson, Robert R.; Wilcox, R. Stimson
Behaviour , Volume 127 (1-2): 16 – Jan 1, 1993
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References (18)

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853993x00407
Publisher site
See Article on Publisher Site

Abstract

SPIDER FLEXIBLY CHOOSES AGGRESSIVE MIMICRY SIGNALS FOR DIFFERENT PREY BY TRIAL AND ERROR by ROBERT R. JACKSON1) and R. STIMSON WILCOX2,3) (1 Department of Zoology, University of Canterbury, Christchurch 1, New Zealand, and 2 Department of Biology, State University of New York at Binghamton, New York, U.S.A.) (With 3 Figures) (Acc. 6-VII-1993) Summary Portia is a jumping spider that invades other spiders' webs, makes vibratory signals that deceive the resident spider (aggressive mimicry), then attacks and eats the spider. Portia exploits a wide range of prey-spider species. Evidence is provided from observation and experimentation that Portia uses a trial-and-error method as part of its strategy for deriving appropriate signals for different prey. To use this method, Portia first broadcasts an array of different signals, then narrows to particular signals as a consequence of feedback from the prey spider. Feedback can be web vibration or seeing spiders move, or both. This appears to be an example of deception involving at least a limited form of learning, an uncommon phenomenon in invertebrates. Introduction Aggressive mimicry is a game of deceit in which a mimic, a predator, broadcasts misinformation interspecifically to potential prey. There are formal similarities between these predator-prey interactions and

Journal

Behaviour – Brill

Published: Jan 1, 1993

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