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

Gilbert Barrantes | Zendy; JuLin Weng | Zendy

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

Author(s) -

Gilbert Barrantes,

JuLin Weng

Publication year - 2007

Publication title -

journal of arachnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.547

H-Index - 46

eISSN - 1937-2396

pISSN - 0161-8202

DOI - 10.1636/st06-40.1

Subject(s) - theridiidae , spider , biology , carrion , predation , instar , wolf spider , zoology , ecology , larva

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.

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