Male mating behavior in the gift-giving spider Paratrechalea ornata

In this South American spider species, males capture a prey and construct a prey-gift by wrapping the prey with silk. Then, in order to mate, males offer the gifts to females. While the female feeds on the prey, the female and the male mate. Using his pedipalps, the male transfer sperm to the female (sperm transfer occurs when the male mounts the female). This video was produced by John Alexander Uribe Rosas, Solimary García Hernández and Renato Chaves de Macedo Rego (Instituto de Biociências, Universidade de São Paulo). Steps to reproduce this video: CC BY NC 3.0 licence description. You are free to adapt, copy or redistribute the material, providing you attribute appropriately and do not use the material for commercial purposes. You must refer to this original source and attribute the credits to the authors (John Alexander Uribe Rosas, Solimary García Hernández and Renato Chaves de Macedo Rego). For more information on gift-giving construction and Paratrechalea ornata: 1. Macedo-Rego, Costa-Schmidt & Machado (2021). Males of a Neotropical spider adjust prey-gift construction but not mate search in response to sperm competition. Ethology, 127:661–668. 2. Macedo-Rego, Costa-Schmidt, Santos & Machado (2016). Negative effects of prolonged dietary restriction on male mating effort: nuptial gifts as honest indicators of long-term male condition. Scientific Reports, 6:21846. Funding: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Renato C. Macedo-Rego, Finance Code 001), Conselho Nacional de Desenvolvimento Científico e Tecnológico (Renato C. Macedo-Rego, 130581/2012-7; Glauco Machado, 306213/2011-7), and Fundação de Amparo à Pesquisa do Estado de São Paulo (Luiz E. Costa-Schmidt, 2009/52791-6; Eduardo S.A. Santos, 2012/20468-4; Glauco Machado, 2012/50229-1 and 2015/10448-4).