Efficacy constraints on female directional preference stabilize a male call component in a multimodal cricket duet

Kernan, Ciara E.; Jones, Jessica S.; Robillard, Tony; Schöneich, Stefan; Hofstede, Hannah M. ter

doi:10.1016/j.anbehav.2022.08.011

Cited by 2 publications

(1 citation statement)

References 65 publications

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“…Usually in extant crickets, during mating, the female cricket climbs on the male back, licking particular glands located on the male metanotum, tergites or wings while the male inserts the filament of the spermatophore in the female genital track. Current hypotheses about genitalia diversification in crickets insist on the role of female choice, mating success, and sperm transfer (Acosta et al, 2020;Cade & Cade, 1992;Desutter, 1987;Kernan et al, 2022;Simmons, 1986Simmons, , 1987, all of which would not apply here easily. Too few records on Oecanthidae mating behaviour are yet available (Brown, 2016;Ono et al, 1989) to identify the driving force behind this diversification pattern.…”

Section: Discussionmentioning

confidence: 99%

First 3D reconstruction of the male genitalia of a Cretaceous fossil cricket: Diving into the evolutionary history of the Oecanthidae family (Orthoptera: Grylloidea) with the incorporation of new fossils in its phylogeny and a total‐evidence dating approach

Ferreira,

Desutter‐Grandcolas,

Nel

et al. 2024

Systematic Entomology

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Fossils are valuable indicators of the evolutionary history of the clades to which they belong to, especially when they are incorporated as terminal taxa in a total‐evidence phylogeny. According to their state of preservation, fossils are often incompletely described for key morphological characters, such as genitalic structures. Here, the internal parts of the genitalia of a male fossil cricket from Cretaceous amber, †Picogryllus carentonensis Josse & Desutter‐Grandcolas (Oecanthidae, Podoscirtinae), together with other key morphological characters (i.e., metanotal structures and tibial spurs), were reconstructed for the first time by 3D microtomography. Total‐evidence phylogeny and dating combining morphological data (fossils and extant taxa), molecular data (extant taxa only) and time calibration (fossil dates) were performed to evaluate the tempo and mode of evolution of the cricket family Oecanthidae. Divergence time estimates were thus refined and the patterns of transformation for key morphological structures contrasted through the analysis of phylogenetic morphological partitions. Our results show that Oecanthidae date back to the Upper Jurassic (Oxfordian, around 162 Ma) and attest to the presence of the Podoscirtinae in Western Europe during the Lower Cretaceous. Morphological evolution may have been driven by the conquest of new resources (as shown by leg evolution in ancestral Oecanthidae) and/or the ‘conquest of silence’ (as shown by repetitive and definitive losses of acoustic structures). By contrast, genitalia evolution proved more diffuse.

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