Anillinus murrayae

Distinguished from other Anillinus species by subtle differences in male genitalia, elytral microsculpture, and body proportions, requiring examination by specialists. The combination of minute size, eyeless condition, exposed abdominal tergites, and fossorial leg structure separates it from surface-dwelling Carabidae. Differentiation from congeners requires comparison of type specimens and reference to the original description.

Deep soil layers, particularly in forested areas with well-developed litter and humus horizons. Likely occurs in mesic hardwood or mixed forests with stable soil moisture. Specific microhabitat preferences unknown; inferred from genus ecology.

Known from the United States. Precise type locality and full range poorly documented in accessible literature; distribution records indicate presence in North America with confirmed occurrence in USA.

Fossorial and likely hypogeal, spending most of its life cycle in soil cavities and interstitial spaces. Movement probably slow and deliberate, with limited dispersal capability due to absence of wings.

Predator or scavenger in soil food webs, consuming small invertebrates, eggs, or organic matter. Contributes to nutrient cycling through soil bioturbation.

No documented economic or medical importance. Of interest to specialists in carabid systematics and soil biodiversity.

• Other Anillinus speciesExtremely similar morphology; distinguished by fine details of genitalia, chaetotaxy, and microsculpture requiring specialist examination.
• Other Trechinae in subtribe AnillinaShare reduced eyes, small size, and subterranean adaptations; separated by geographic distribution and subtle morphometric differences.
• Surface-dwelling BembidiiniDistinguished by presence of functional eyes, complete elytra covering abdomen, and presence of wings.

• Carabidae
• Trechinae
• Anillinus
• ground beetle
• subterranean
• eyeless
• soil fauna
• North America
• USA

• BugGuide
• GBIF taxonomy match
• NCBI Taxonomy
• Catalogue of Life