Copulatory behavior of Microstigmatidae (Araneae: Mygalomorphae): a study with Xenonemesia platensis from Argentina

Ferretti, Nelson Edgardo; Pompozzi, Gabriel; Copperi, Sofía; Pérez‐Miles, Fernando; González, Alda

doi:10.1636/hi11-74.1

Cited by 8 publications

(13 citation statements)

References 13 publications

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“…In this context, we propose an additional hypothetical function for non adhesive setae as contributing to the copulation position. Mygalomorph spiders exhibit almost the same copulation position (Baerg 1928;Pérez-Miles 1998, 2002;Coyle 1971Coyle , 1985Coyle and Shear 1981;Ferretti and Ferrero 2008;Ferretti et al 2011Ferretti et al , 2012Ferretti et al , 2013Raven 1988). They mate face to face and males extend their palps under the female.…”

Section: Non Adhesive Setae and Pseudoscopulamentioning

confidence: 90%

Morphology and evolution of scopula, pseudoscopula and claw tufts in Mygalomorphae (Araneae)

et al. 2017

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We studied the morphology of scopula, claw tufts and a scopula-like feature (pseudoscopula) of tarsi on representatives of all Mygalomorphae spider families. The pseudoscopula is constituted by groups of non-microtriched conical setae. The taxonomic distribution of all these features was studied and mapped on a recent phylogeny of Mygalomorphae and the association of them with the lifestyles of the spiders was analyzed. Adhesive setae, as well as some other setal types found on ventral tarsi are described and characterized. The adhesive face of setae varied in the orientation in different parts of the tarsi, and this variation is more conspicuous in the spiders which only have claw tufts or scopula. We found an association of adhesive scopulae and claw tufts with burrower/cursorial or thin wafer lid trapdoor mygalomorphs as suggested for free hunter spiders, but we found that the pseudoscopula is associated with males of some trap-door and some weavers mygalomorphs. The presence of pseudoscopula widely extended among Mygalomorphae seems to be ancestral for the infraorder. The setal morphology of pseudoscopula suggests chemosensorial function; sparse chemosensory setae were also found in almost all Mygalomorphae. The morphology, functions and evolution of scopula, claw tufts and pseudoscopula are discussed.

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Section: Non Adhesive Setae and Pseudoscopulamentioning

confidence: 90%

Morphology and evolution of scopula, pseudoscopula and claw tufts in Mygalomorphae (Araneae)

et al. 2017

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“…Regarding male behaviors, while the female is quiescent, we observed small movements of the male's palps that seem to rub against the ventral surface of the female's abdomen. This seemed part of the insertion behavior however, and different to the palpal boxing described previously as touches from the males' palps on the female's sternum (Ferretti et al, 2011(Ferretti et al, , 2012(Ferretti et al, , 2013Ghirotto & Guadanucci, 2021).…”

Section: Discussionmentioning

confidence: 62%

“…The mating behaviors of the Mygalomorphae are better understood, and some detailed descriptions of courtship have been published for a few species and families: Mecicobothrium thorelli (Mecicobothriidae, Costa & P erez-Miles, 1998), Thelechoris striatipes and Ischnothele annulata (Ischnothelidae, Coyle & O'Shields, 1990;Ghirotto & Guadanucci, 2021), Microhexura montivaga (Microhexuridae, Coyle, 1985), Australothele jamiesoni (Euagridae, Raven, 1988), Porrhothele antipodiana (Porrhothelidae, Jackson & Pollard, 1990), Acanthogonatus centralis and Xenonemesia platensis (Pycnothelidae, Ferretti et al, 2012Ferretti et al, , 2011 and Diplura macrura (Dipluridae, Ghirotto & Guadanucci, 2021). The tarantulas (Theraphosidae) are probably the group with the most studies on mating behavior, with information available for Plesiopelma longisternale, Eupalaestrus weijenberghi, Acanthoscurria cordubensis, Aphonopelma hentzi, Avicularia avicularia and Brachypelma klaasi (Ferretti et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Mating behavior of the Sydney funnel‐web spider (Atracidae: Atrax robustus) and implications for the evolution of courtship in mygalomorph spiders

Frank

Christensen²,

Lourenço

et al. 2023

Journal of Zoology

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Spiders have become a model group for sexual selection and mating system studies, but our understanding of courtship behavior in the group is heavily biased towards the infraorder Araneomorphae ('modern' spiders, such as orb weavers, jumping spiders, wolf spiders, crab spiders and many more). In the Mygalomorphae (tarantulas, trapdoor spiders, funnel-web spiders and relatives), only a few descriptions of courtship are available and recent developments in the phylogenetics of the group offer an opportunity to remap and investigate the evolution of mating behaviors. Using 81 trials filmed in captivity, we report on the courtship behaviors of the iconic Sydney funnel-web spider (Atracidae: Atrax robustus), which belongs to a large clade of biologically understudied mygalomorphs. Thirteen distinct behaviors are described for males, out of which at least two seem new to mygalomorphs, while four female behaviors are described. Moreover, the sequences of male behaviors are presented for when they come into contact with females inside or outside of their burrows. The mating positions of the pair, including details of how males use their legs and clasping spurs to grasp the females, are also presented. We discuss our results in a modern phylogenetic context, filling a gap in the understanding of sexual selection in the Mygalomorphae where such studies are rare and biased towards tarantulas. Finally, we attempt to consolidate descriptions of potentially homologous behaviors from several families in the group and offer insights into the evolution of cannibalism, male clasping spurs and female catalepsis (quiescence while mating).

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“…Despite the biology of theraphosids remaining poorly known (Costa & Pérez-Miles 2002;Marshall & West 2008), an increasing amount of research is currently being carried out and a significant number of papers have recently been published on theraphosid behaviour (Pérez-Miles et al 2005;Bertani et al 2008;Dor et al 2011;Ferretti et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Aspects of the Ecology and Behaviour of the Seychelles TheraphosidNesiergus insulanus(Arachnida: Araneae: Theraphosidae)

Canning¹,

Reilly²,

Dippenaar-Schoeman³

2015

African Invertebrates

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Copulatory behavior of Microstigmatidae (Araneae: Mygalomorphae): a study with Xenonemesia platensis from Argentina

Cited by 8 publications

References 13 publications

Morphology and evolution of scopula, pseudoscopula and claw tufts in Mygalomorphae (Araneae)

Morphology and evolution of scopula, pseudoscopula and claw tufts in Mygalomorphae (Araneae)

Mating behavior of the Sydney funnel‐web spider (Atracidae: Atrax robustus) and implications for the evolution of courtship in mygalomorph spiders

Aspects of the Ecology and Behaviour of the Seychelles TheraphosidNesiergus insulanus(Arachnida: Araneae: Theraphosidae)

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