Temporal Variation in Venom Yield of the Australian Funnel-Web Spider Atrax sutherlandi (Hexathelidae: Atracinae)

Mark K. L. Wong; James D. Woodman; David M. Rowell

doi:10.13156/arac.2006.17.1.7

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Mark K. L. Wong,¹ James D. Woodman,² David M. Rowell³

¹Research School of Biology, College of Medicine, Biology and Environment, Australian National University, Canberra, ACT 2601, Australia email: markwong.research@outlook.com
²Australian Plague Locust Commission, Australian Government Department of Agriculture, GPO Box 858, Canberra, ACT 2601, Australia
³Research School of Biology, College of Medicine, Biology and Environment, Australian National University, Canberra, ACT 2601, Australia

Abstract

Temporal variation in the venom yield of spiders is a relatively poorly understood phenomenon. We investigated temporal variation in venom yield of the Australian funnel-web spider Atrax sutherlandi Gray 2010 (Hexathelidae: Atracinae). The venom yield of spiders collected and milked in winter was 62.9% higher than those collected and milked in autumn, despite all undergoing acclimatization (45 days in darkness at 10°C and 100%RH) before milking. Our findings highlight the potential effects of seasonality on spider venoms and lay the groundwork for future studies to investigate the evolutionary and ecological correlates of this phenomenon further.

Citation Download Citation

Mark K. L. Wong, James D. Woodman, and David M. Rowell "Temporal Variation in Venom Yield of the Australian Funnel-Web Spider Atrax sutherlandi (Hexathelidae: Atracinae)," Arachnology 17(1), 7-9, (1 March 2016). https://doi.org/10.13156/arac.2006.17.1.7

Published: 1 March 2016

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