Anillinus steevesi
Barr, 1995
Anillinus steevesi is a small ground beetle in the Carabidae, described by Barr in 1995. It belongs to the subtribe Anillina, a group of minute carabids often associated with subterranean or soil-surface . The is known from the United States.
Pronunciation
How to pronounce Anillinus steevesi: /ænɪˈlaɪnəs ˈstiːvɛzaɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Anillinus are distinguished by their small size (usually under 3 mm), reduced or absent , elongated body form, and short that may leave several abdominal tergites exposed. Specific identification of A. steevesi requires examination of male genitalia and comparison with described type material; the species was described from specimens collected in Tennessee.
Distribution
United States; specifically known from Tennessee based on original description.
Ecological Role
As with other Anillina, likely contributes to soil nutrient cycling and preys on small soil arthropods and , though specific studies on this are lacking.
Similar Taxa
- Other Anillinus speciesMorphologically similar minute carabids; reliable separation requires detailed examination of structure and other male genitalic characters.
- Other Anillina genera (e.g., Anillodes, Serranillus)Share reduced and small size; distinguished by subtle differences in pronotal and elytral proportions, and genitalic .
More Details
Taxonomic notes
The Anillinus is part of the diverse tribe Bembidiini, subtribe Anillina. in this group are often poorly collected due to their small size and cryptic habits, and many remain undescribed.
Etymology
The specific epithet 'steevesi' honors an individual, likely a collector or colleague recognized by the describer Thomas C. Barr.