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Genus Anillinus
Classification Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Trechinae
Tribe Bembidiini
Subtribe Anillina
Genus Anillinus
Synonyms and other taxonomic changes Micranillodes Jeannel, 1963 (1)
Troglanillus Jeannel, 1963 (1)
Explanation of Names Anillinus Casey 1918
Numbers 66 described species (as of November 2022), all in our area (1), (2), (3), (4), (5), (6), (7), (8), (9).
2 species described from Brazil were revealed to actually be mislabeled specimens collected in Cloudland Canyon State Park, Georgia (10).
Identification Accurate identification to species level requires examination of male genitalia.
There is no complete key to species.
Partial regional keys:
key to the Texas species (9)
key to eastern species known as of 2004 (11), new eastern species described in 2007 (12), 2008 (13), 2010 (14), 2011 (15), 2014 (5)
key to species known from AR, MO, and OK as of 2008 (16), new AR species described 2017 (4)
key to the Alabama species (6) (new species described in (7))
Range Most diverse in the southern Appalachians (17)(1)(11); north to MD, west to IN, TX, AR, MO (18), south to LA (7), AL, FL (8).
Habitat in leaf litter or under large embedded stones on mountain slopes or in ravines in forested areas; some in caves (17), deep sand (8)
Remarks Completely eyeless.
Over 60 undescribed species are known (C. Harden, personal observation).
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