Copulatory behaviour of the goblin spider<i>Silhouettella loricatula</i>(Arachnida: Araneae: Oonopidae)

Burger, Matthias; Carrera, Patricia C.

doi:10.13156/arac.2010.15.5.173

Cited by 7 publications

(2 citation statements)

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“…If the copulatory position in Zyngoonops sp. is the same as in other gamasomorphine oonopids (see e.g., Bristowe 1930; Harvey 1987; Burger 2007; Burger & Carrera in press), the male is positioned under the female and both face in the same direction with their ventral surfaces touching. In this position, the male of Zyngoonops sp.…”

Section: Discussionmentioning

confidence: 99%

Structure and function of the female reproductive system in three species of goblin spiders (Arachnida: Araneae: Oonopidae)

Burger

2011

Invertebrate Biology

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Because of their reproductive biology, spiders are extremely promising subjects for testing hypotheses on sexual selection. Further, their genital morphology provides useful characteristics for taxonomy. However, the structure and functional morphology of the genitalia of members of most spider groups are poorly known. This is especially true for members of the Haplogynae. In this article, the female genitalia of three oonopid species are described, using light and scanning electron microscopy. The male palps are also briefly described. The female genitalia of all these three species do not correspond to the description of haplogyne genital systems given in the literature. Receptacula are lacking in the genitalia of Opopaea deserticola and Zyngoonops sp. Sperm are present in the uterus internus of members of these two species, indicating that fertilization occurs there or in the ovary. Females of Zyngoonops sp. have a pouch that possibly holds appendages on the male endites during copulation. Modifications on the endites might allow males to exert copulatory courtship. A secretory sac was found inside the receptaculum of Gamasomorpha lutzi. Previous studies on oonopids with the same type of genitalia showed that the sac contains sperm and that it can be discarded during copulation. Spermatozoa were also found inside the uterus internus of members of G. lutzi. A sclerite in the uterus wall of females of all three species might serve to lock the uterus during copulation in order to prevent sperm from getting into it, as suggested for a variety of other oonopids. The male palps of O. deserticola and Zyngoonops sp. are simple. Furrows on the emboli of G. lutzi suggest that males use the palps as copulatory courtship devices. The present study reveals the complex genital morphology of three species belonging to the little known spider family Oonopidae, and provides new insights into the function of their genitalia in the context of sexual selection.

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Section: Discussionmentioning

confidence: 99%

Structure and function of the female reproductive system in three species of goblin spiders (Arachnida: Araneae: Oonopidae)

Burger

2011

Invertebrate Biology

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“…Embolus formed by two primary lamellae curved approximately 90° (figs. 6, 8, 36, 38, 146, 148); these function for removal of sperm sacs from previous males, behavior recently documented (Burger and Carrera, 2011;Burger, 2010). Dorsal lamella (DL) of most species divided into two branches; ventral lamella (VL) divided into two or three branches (figs.…”

Section: Noideattella New Genusmentioning

confidence: 99%

NoideattellaandTolegnaro, Two New Genera of Goblin Spiders from Madagascar, with Comments on the Gamasomorphoid and Silhouettelloid Oonopids (Araneae, Oonopidae)

Álvarez-Padilla

Ubick

Griswold

2012

American Museum Novitates

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Two new genera of goblin spiders from Madagascar, Noideattella, new genus, and Tolegnaro, new genus, are described with 11 and two species respectively. Noideattella includes N. assumptia, new combination (transferred from Silhouettella), and 10 new species: N. amboa, N. famafa, N. fantara, N. farihy, N. gamela, N. lakana, N. mamba, N. saka, N. tany, and N. tsiba. Tolegnaro includes two new species: T. sagani and T. kepleri. A phylogenetic data matrix of 436 terminals and 341 morphological characters was extracted from the Goblin Spider Planetary Biodiversity Inventory (PBI) descriptive database. The monophyly of Noideattella and Tolegnaro was tested in a phylogenetic analysis of this matrix. In this analysis other oonopid genera recently revised were also recovered as monophyletic and with high support values. A key for all species described here is provided. Noideattella species can be differentiated by having the pars cephalica strongly elevated in lateral view, forming a posterior cone, tibia and metatarsi with spines, and abdomen completely covered by scuta. Tolegnaro species in addition present plumose seta around the pedicel area.

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Sexual Selection in Neotropical Spiders: Examples from Selected Groups

Costa-Schmidt

Albo

Bollatti

et al. 2017

Behaviour and Ecology of Spiders

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Copulatory behaviour of the goblin spiderSilhouettella loricatula(Arachnida: Araneae: Oonopidae)

Cited by 7 publications

References 58 publications

Structure and function of the female reproductive system in three species of goblin spiders (Arachnida: Araneae: Oonopidae)

Structure and function of the female reproductive system in three species of goblin spiders (Arachnida: Araneae: Oonopidae)

NoideattellaandTolegnaro, Two New Genera of Goblin Spiders from Madagascar, with Comments on the Gamasomorphoid and Silhouettelloid Oonopids (Araneae, Oonopidae)

Sexual Selection in Neotropical Spiders: Examples from Selected Groups

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