Carrion Feeding By Spiderlings Of The Cob-Web Spider Theridion evexum (Araneae, Theridiidae)

Gilbert Barrantes; Ju-Lin Weng

doi:10.1636/ST06-40.1

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Gilbert Barrantes, Ju-Lin Weng

Abstract

The use of carrion to feed spiderlings has never previously been observed in spiders. Here we show that the theridiid Theridion evexum Keyserling 1884 stored dead insectan prey for up to one week prior to the emergence of spiderlings from the egg sac, and continued to feed spiderlings dead prey for six weeks until spiderlings molted to the fourth instar. Spiderlings survived and molted on an experimental diet of exclusively rotten insects.

Citation Download Citation

Gilbert Barrantes and Ju-Lin Weng "Carrion Feeding By Spiderlings Of The Cob-Web Spider Theridion evexum (Araneae, Theridiidae)," The Journal of Arachnology 35(3), 557-560, (1 December 2007). https://doi.org/10.1636/ST06-40.1

Received: 26 June 2006; Published: 1 December 2007

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