THE WASP SPIDER ARGIOPE BRUENNICHI (ARACHNIDA, ARANEIDAE): BALLOONING IS NOT AN OBLIGATE LIFE HISTORY PHASE

André Walter; Peter Bliss; Robin F. A. Moritz

doi:10.1636/04-78.1

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André Walter,¹ Peter Bliss,^1,* Robin F. A. Moritz¹

¹Institut für Zoologie, Martin-Luther-Universität Halle-Wittenberg, Hoher Weg 4, D-06120 Halle (Saale

^*Corresponding author

Abstract

Aerial dispersal (“ballooning”) of Argiope bruennichi spiderlings has been claimed to be an obligate life history trait and a prerequisite for spinning prey-capture webs. If this were true, a ballooning phase would be essential for any laboratory rearing of A. bruennichi making rearing protocols particularly elaborate. We tested the significance of ballooning for second-instar spiderlings in the laboratory and showed that the ballooning behavior is not essential for building prey-capture orb webs. Our results also give no evidence for the hypothesis that recent natural selection has changed ballooning behavior in newly founded field populations.

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André Walter, Peter Bliss, and Robin F. A. Moritz "THE WASP SPIDER ARGIOPE BRUENNICHI (ARACHNIDA, ARANEIDAE): BALLOONING IS NOT AN OBLIGATE LIFE HISTORY PHASE," The Journal of Arachnology 33(2), 516-522, (1 August 2005). https://doi.org/10.1636/04-78.1

Received: 17 September 2004; Published: 1 August 2005

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