Intense leg tapping behavior by the harvestman Mischonyx cuspidatus (Gonyleptidae): an undescribed defensive behavior in Opiliones?

Bárbara Crespo Dias; Elene da Silva Souza; Marcos Ryotaro Hara; Rodrigo Hirata Willemart

doi:10.1636/Hi12-06.1

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Bárbara Crespo Dias, Elene da Silva Souza, Marcos Ryotaro Hara, Rodrigo Hirata Willemart^*

^*Corresponding author. E-mail: willemart@usp.br

Abstract

We describe for the first time the behavior “Intense Leg Tapping (ILT)” being used in a prey-predator context between the Neotropical harvestman Mischonyx cuspidatus (Roewer 1913) and the syntopic spider Ctenus ornatus (Keyserling 1877). Previously, the harvestman's repeated fast dorsoventral movements of legs II had only been described during conspecific male-male interactions. We suggest it has a defensive function.

The American Arachnological Society

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Bárbara Crespo Dias, Elene da Silva Souza, Marcos Ryotaro Hara, and Rodrigo Hirata Willemart "Intense leg tapping behavior by the harvestman Mischonyx cuspidatus (Gonyleptidae): an undescribed defensive behavior in Opiliones?," The Journal of Arachnology 42(1), 123-125, (1 April 2014). https://doi.org/10.1636/Hi12-06.1

Received: 27 February 2013; Published: 1 April 2014

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