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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Carlos Perafán, Fernando Pérez-Miles

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.

Citation Download Citation

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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