Ant mimicry in the spider Myrmecotypus iguazu (Araneae: Corinnidae), with notes about myrmecomorphy in spiders

Gonzalo D. Rubio; Manuel O. Arbino; Paula E. Cushing

doi:10.1636/J13-35.1

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Gonzalo D. Rubio,¹ Manuel O. Arbino,² Paula E. Cushing³

¹Instituto de Biología Subtropical (IBS-CeIBA, CONICET), Facultad de Ciencias Forestales, Universidad Nacional de Misiones. Bertoni 85, 3370 Puerto Iguazú, Misiones, Argentina. E-mail: grubio@conicet.gov.ar
²Biología de los Invertebrados, Facultad de Ciencia Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste. Av. Libertad 5470, W3404AAS Corrientes, Argentina
³Denver Museum of Nature & Science, Department of Zoology, 2001 Colorado Boulevard, Denver, Colorado 80205, USA

Abstract

We describe the mimetic relationship between the ant-like spider Myrmecotypus iguazu Rubio & Arbino 2009 (Araneae: Corinnidae) and the carpenter ant Camponotus sericeiventris Guérin (Hymenoptera: Formicidae), studied in a subtropical rainforest in Iguazú National Park, Argentina. The morphological adaptations, aspects of coloration, and behavior responsible for the ant-like appearance in M. iguazu (the mimic) provide strong evidence that its model is C. sericeiventris. Both field observations and field and laboratory experiments suggest that this spider is a Batesian mimic.

The American Arachnological Society

Citation Download Citation

Gonzalo D. Rubio, Manuel O. Arbino, and Paula E. Cushing "Ant mimicry in the spider Myrmecotypus iguazu (Araneae: Corinnidae), with notes about myrmecomorphy in spiders," The Journal of Arachnology 41(3), 395-399, (1 November 2013). https://doi.org/10.1636/J13-35.1

Received: 10 May 2013; Published: 1 November 2013

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