Anillodes

Jeannel, 1963

Anillodes is a of small ground beetles in the Carabidae, described by Jeannel in 1963. The genus belongs to the subtribe Anillina within the tribe Bembidiini. Six are currently recognized, distributed across North America. Members of this genus are minute, eyeless beetles adapted to subterranean or soil-dwelling .

Anillodes by (c) Evrytte Carlson, some rights reserved (CC BY), uploaded by Evrytte Carlson. Used under a CC-BY license.Anillodes by (c) Evrytte Carlson, some rights reserved (CC BY), uploaded by Evrytte Carlson. Used under a CC-BY license.Anillodes by (c) Evrytte Carlson, some rights reserved (CC BY), uploaded by Evrytte Carlson. Used under a CC-BY license.

Pronunciation

How to pronounce Anillodes: //ˌænɪˈloʊdiːz//

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Identification

Distinguished from related in Anillina by combinations of characters including pronotal and elytral structure; minute size (typically under 2 mm), lack of , and reduced pigmentation are characteristic of the subtribe. Specific diagnostic features for the genus require examination of male genitalia and detailed microsculpture patterns.

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Habitat

Soil-dwelling and subterranean environments; associated with leaf litter and soil horizons.

Distribution

North America; occur in the United States (A. debilis, A. affabilis) and Mexico (A. depressus, A. minutus, A. sinuatus, A. walkeri).

Behavior

Subterranean or soil-dwelling habits; likely active in soil pore spaces and among root systems.

Similar Taxa

  • AnillinusBoth belong to subtribe Anillina and share minute size, eyelessness, and subterranean habits; distinguished by genitalic and structural characters.
  • AnillopsAnother in Anillina with similar ; separation requires detailed examination of pronotal and elytral characters.

Sources and further reading