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Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments
09:03

Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments

Published on: May 21, 2019

Bat predation by spiders.

Martin Nyffeler1, Mirjam Knörnschild

  • 1Section of Conservation Biology (NLU), Department of Environmental Sciences, University of Basel, Basel, Switzerland. martin.nyffeler@unibas.ch

Plos One
|March 22, 2013
PubMed
Summary
This summary is machine-generated.

Spiders, particularly large tropical orb-weavers, prey on bats globally. This review details over 50 instances of bat captures by spiders, highlighting predation as a significant ecological interaction.

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Area of Science:

  • * Zoology
  • * Ecology
  • * Arachnology

Background:

  • * Spider predation on vertebrates is a known phenomenon, but its extent on flying vertebrates like bats is less understood.
  • * Previous research has documented isolated incidents of spiders capturing bats, but a comprehensive review was lacking.

Purpose of the Study:

  • * To review and synthesize available data on incidences of spiders capturing bats.
  • * To identify the spider families and bat families involved in these interactions.
  • * To determine the geographical distribution and ecological context of bat-spider predation.

Main Methods:

  • * Systematic review of published literature and anecdotal reports of bats captured by spiders.
  • * Data extraction on location, spider species/family, bat species/family, and outcome (predation vs. non-predation death).

Main Results:

  • * Over 50 incidences of bat captures by spiders were documented across multiple continents, predominantly in warmer latitudes (30° N to 30° S).
  • * Nephila and Eriophora (orb-weavers) were frequently implicated, with 88% of captures by web-building spiders and 12% by hunting spiders.
  • * Captured bats were primarily small, insectivorous species from the Vespertilionidae and Emballonuridae families.

Conclusions:

  • * Spider predation on bats is a more widespread phenomenon than previously recognized.
  • * This interaction occurs across diverse geographical regions and involves various spider families, notably large orb-weavers.
  • * The findings contribute to understanding predator-prey dynamics involving flying vertebrates and terrestrial invertebrates.