An unusual setule on type IV urticating setae of Homoeomma uruguayense (Araneae: Theraphosidae)

Carlos Perafán; Fernando Pérez-Miles

doi:10.1636/S09-44.1

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1 April 2010 An unusual setule on type IV urticating setae of Homoeomma uruguayense (Araneae: Theraphosidae)

Carlos Perafán, Fernando Pérez-Miles

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The J. of Arachnology, 38(1):153-154 (2010). https://doi.org/10.1636/S09-44.1

Abstract

We describe a new unusual setule on type IV urticating setae of the theraphosid spider Homoeomma uruguayense (Mello-Leitão 1946). These processes have a filiform stalk and a funnel-like apex that arise from the main axis of the urticating seta. The probable function of these structures in passive and active defense is discussed.

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Carlos Perafán and Fernando Pérez-Miles "An unusual setule on type IV urticating setae of Homoeomma uruguayense (Araneae: Theraphosidae)," The Journal of Arachnology 38(1), 153-154, (1 April 2010). https://doi.org/10.1636/S09-44.1

Received: 7 May 2009; Published: 1 April 2010

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