ArticleScientific reports2017
Specialized adaptations for springtail predation in Mesozoic beetles.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 29 citations in OpenAlex.
- Article
- Article
- Specialized bark-gnawing beetles reveal phragmotic defence and subcortical ecology in the Cretaceous.Proceedings. Biological sciences · 2025Article
- On latches in biological systems: a comparative morphological and functional study of the retinaculum and the dens lock in Collembola.Frontiers in zoology · 2023Article
- Functional innovation promotes diversification of form in the evolution of an ultrafast trap-jaw mechanism in ants.PLoS biology · 2021Article
- Convergent evolution of specialized generalists: Implications for phylogenetic and functional diversity of carabid feeding groups.Ecology and evolution · 2020Article
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4 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Insects exhibit a variety of morphological specializations specific to particular behaviors, and these permit the reconstruction of palaeobiological traits. Despite the critical importance of predator-prey strategies in insect evolution, the appearance of particular aspects of predation are often difficult to determine from the fossil record of hexapods. Here we report the discovery of highly specialized, mid-Cretaceous ant-like stone beetles (Staphylinidae: Scydmaeninae) displaying morphological modifications unknown among living scydmaenids and associated with predation on springtails (Collembola), a widespread and abundant group of significantly greater geological age. Cascomastigus monstrabilis gen. et sp. nov. exhibits an extremely large body size, elongate clubbed maxillary palpi, toothed mandibles, and more importantly, slender and highly modified antennae that functioned as an antennal setal trap. Such an antennal modification is analogous to that of the modern ground beetle genus Loricera (Carabidae: Loricerinae), a group possessing a specialized antennal setal trap exclusively for the capture of springtails. The presence of an identical antennal setal trap in C. monstrabilis demonstrates a unique and dramatic form of obligate predation among the late Mesozoic insects.
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