Sperm induction in the social spider Anelosimus jabaquara Levi, 1956 (Theridiidae)

Carolina Rojas-Buffet; João Vasconcellos-Neto; Carmen Viera

doi:10.13156/arac.2021.18.9.1064

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Carolina Rojas-Buffet,^1,2 João Vasconcellos-Neto,³ Carmen Viera^1,4

¹Sección Entomología, Facultad de Ciencias, Montevideo, Uruguay
²Departamento de Ecología y Biología Evolutiva, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
³Laboratorio de Interações Animais-Plantas, Universidade Estadual de Campinas, São Paulo, Brazil
⁴Laboratorio de Ecología del Comportamiento, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay email:

Abstract

Anelosimus jabaquara (Theridiidae) is a social spider that lives in communal nests using tree leaves as retreats and it is known only from Brazil. There have been no studies that address sexual aspects in this species. This paper describes the sperm induction of this species under laboratory conditions. Out of a total of 20 males, we observed eight males performing sperm induction after copulation. Sperm web characteristics and description of the male behaviour during sperm induction are described. We also compared this process with that of the subsocial spider Anelosimus vierae.

Citation Download Citation

Carolina Rojas-Buffet, João Vasconcellos-Neto, and Carmen Viera "Sperm induction in the social spider Anelosimus jabaquara Levi, 1956 (Theridiidae)," Arachnology 18(9), 1064-1067, (11 November 2021). https://doi.org/10.13156/arac.2021.18.9.1064

Published: 11 November 2021

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