Sexually dimorphic tegumental gland openings in Laniatores (Arachnida,Opiliones), with new data on 23 species |
| |
| Authors: | Rodrigo H. Willemart Abel Pérez‐González Jean‐Pierre Farine Pedro Gnaspini |
| |
| Affiliation: | 1. Escola de Artes Ciências e Humanidades, Universidade de S?o Paulo, Rua Arlindo Béttio, 1000, Ermelino Matarazzo 03828‐000, S?o Paulo, SP, Brazil;2. Grupo de Sistemática e Biologia Evolutiva, Núcleo em Ecologia e Desenvolvimento Sócio‐Ambiental de Macaé, Universidade Federal do Rio de Janeiro, C.P. 119331, 27910‐970, Macaé, RJ, Brazil;3. Faculté des Sciences, Laboratoire Développement‐Communication Chimique, CNRS UMR5548, Université de Bourgogne, 6 Bd Gabriel, 21000 Dijon, France;4. Departamento de Zoologia, Instituto de Biociências, Universidade de S?o Paulo, Rua do Mat?o, travessa 14, 321, 05508‐080, S?o Paulo, SP, Brazil |
| |
| Abstract: | Sexually dimorphic glands often release sexual pheromones both in vertebrates and invertebrates. Species of Laniatores (Arachnida, Opiliones) seem to depend on chemical communication but few studies have addressed this topic. In this study, we review the literature for the Phalangida and present new data for 23 species of Laniatores. In 16 taxa, we found previously undescribed sexually dimorphic glandular openings on the femur, patella, metatarsus, and tarsus of legs I and metatarsus of legs III and IV. For the other species, we provide scanning electron micrographs of previously undescribed sexually dimorphic setae and pegs located on swollen regions of the legs. We also list additional species in which males have swollen regions on the legs, including the tibia, metatarsus, and tarsus of legs I, trochanter and tibia of legs II, femur, metatarsus, and tarsus of legs III, and metatarsus and tarsus of legs IV. The function and biological role of the secretions released by these glands are discussed. J. Morphol., 2010. © 2009 Wiley‐Liss, Inc. |
| |
| Keywords: | chemical communication Dyspnoi Eupnoi Laniatores pheromone sexual dimorphism |
|
|
