Anisostena californica

Van Dyke, 1925

Anisostena californica is a leaf beetle in the Chrysomelidae, first described by Van Dyke in 1925. The species is known from western North America, with records spanning from British Columbia to California and eastward to Colorado and South Dakota. have been collected on grasses, though the definitive plant remains uncertain. Like other members of its , it likely inhabits grassland and meadow environments.

Pronunciation

How to pronounce Anisostena californica: //ˌænɪˈsɒstənə kəˌlɪˈfɔːrnɪkə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Members of the Anisostena are small leaf beetles, typically under 5 mm in length, with compact bodies and short . Specific diagnostic features for A. californica separating it from such as A. ariadne and A. funesta are not documented in available sources. Identification to level likely requires examination of male genitalia or other subtle morphological characters.

Habitat

have been collected on reedy grass and grass in open . The appears to be associated with grassland, meadow, and possibly riparian edge environments where suitable vegetation occurs.

Distribution

Recorded from western North America: British Columbia, California, Colorado, Idaho, Montana, Oregon, South Dakota, and Washington. The distribution spans the Pacific Northwest, California, the Rocky Mountains, and the northern Great Plains.

Host Associations

grasses - collection site collected on reedy grass and grass; foodplant not certain

Similar Taxa

Anisostena ariadne in same with overlapping western North American distribution; morphological separation requires detailed examination
Anisostena funesta with similar associations; -level identification challenging without specialized study

More Details

Taxonomic history

Described by Van Dyke in 1925. The Anisostena contains approximately 15 , most occurring in North America.

Data limitations

This is poorly represented in collections and literature. iNaturalist records indicate only 13 observations as of 2024, suggesting it is infrequently encountered or underreported.