﻿Two new cavernicolous species of Anillinus Casey (Carabidae, Trechinae, Anillini) from Texas with a revised key to Texas species

descriptionPublicationkeyboard_double_arrow_right Article 11 Nov 2022Publisher:Pensoft PublishersJournal:Subterranean Biology, volume 44, pages 153-166 (issn: 1768-1448, eissn: 1314-2615,

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Authors: Igor M. Sokolov;

doi: 10.3897/subtbiol.44.91002

Two new cavernicolous species of Anillinus Casey (Carabidae, Trechinae, Anillini) from Texas with a revised key to Texas species

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Abstract

Two new species of blind cavernicolous ground beetles in the genus Anillinus Casey are described from Texas. Based on the structure of the male genitalia, Anillinus reddellisp. nov. (type locality: SW Bypass Cave, Williamson County, Texas) is closely related to A. forthoodensis Sokolov and Reddell from the neighboring Bell County. Based on the structure of the male genitalia, Anillinus bexarensissp. nov. (type locality: Up the Creek Cave, Bexar County, Texas) is closely related to A. weismanensis Sokolov and Kavanaugh from Hays and Bell Counties. Both new species are illustrated with images of the habitus, body parts, and male and female genitalia. Based on morphological data a new grouping of the Texas species is proposed and discussed.

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Keywords

new species, Insecta, Arthropoda, QH301-705.5, Anillinus, Biota, Trechinae, Anillina, cave fauna, Caraboidea, distribution, new lineage, Animalia, Carabidae, Bembidiini, Biology (General)

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