Stenolophina
seedcorn beetles (for genus Stenolophus)
Genus Guides
9Stenolophina is a subtribe of ground beetles in the Carabidae, comprising approximately 9 and at least 50 described . The subtribe includes the genus Stenolophus, commonly known as seedcorn beetles. Members are small to medium-sized carabids found in diverse terrestrial .
Pronunciation
How to pronounce Stenolophina: /stɛnoʊˈloʊfɪnə/
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Identification
Stenolophina can be distinguished from related subtribes within Harpalini by genitalic and other subtle morphological characters; precise identification requires examination of male genitalia and other fine structural details. The subtribe includes small to medium-sized beetles with the general ground beetle body plan: elongated, somewhat flattened bodies with thread-like .
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Habitat
Members of Stenolophina occupy diverse terrestrial including agricultural fields, grasslands, and open ground. The Stenolophus is particularly associated with cultivated soils and crop fields.
Distribution
Stenolophina has a broad distribution with representatives in North America, Europe, Asia, and other regions. Specific distributions vary by ; for example, Bradycellus and Stenolophus are widespread in the Holarctic region.
Behavior
Members of the Stenolophus are known to be active on the soil surface and have been observed climbing plant stems to feed on seeds.
Ecological Role
As ground-dwelling beetles, members of Stenolophina likely function as and scavengers in soil , with some contributing to seed in agricultural .
Human Relevance
The Stenolophus contains seedcorn beetles, which can be agricultural pests of corn and other crops by feeding on seeds and seedlings.
Similar Taxa
- AnisodactylinaAnother subtribe of Harpalini with similar general ; distinguished by differences in male genitalia structure and chaetotaxy patterns.
- HarpalinaRelated subtribe within Harpalini; Stenolophina generally differs in having more slender body forms and different pronotal shapes.
More Details
Notable genera
Stenolophus (seedcorn beetles) is the most economically significant due to agricultural pest status. Bradycellus is widespread and diverse in temperate regions. Acupalpus contains numerous small often found in moist .