Agabus lutosus
LeConte, 1853
River beetle
Agabus lutosus is a in the , to the Pacific coast of North America. It belongs to the lutosus-group of Agabus , which are restricted to the Cordilleran and Great Plains regions of temperate western North America. The species hybridizes with A. griseipennis in the Pacific Northwest region.
Pronunciation
How to pronounce Agabus lutosus: /ˈaɡaːbus luːˈtoːsus/
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Identification
Member of the lutosus-group; distinguished from other Agabus by geographic distribution along the Pacific coast. Previously confused with A. lutosus mimus, now synonymized. Hybridization with A. griseipennis occurs in the northwest region, potentially complicating identification in that zone.
Habitat
Pacific coastal region of North America. As a diving , inhabits freshwater aquatic environments.
Distribution
Pacific coast of North America; British Columbia, Canada; hybrid zone with A. griseipennis in the Pacific Northwest.
Behavior
Hybridizes with A. griseipennis in the northwest region.
Similar Taxa
- Agabus griseipennisOverlaps in distribution in the Pacific Northwest where hybridization occurs; A. griseipennis occupies Great Basin, Rocky Mountain, and Great Plains regions.
- Agabus rumppiAnother member of lutosus-group, but restricted to southern deserts rather than Pacific coast.
More Details
Taxonomic revision
Agabus lutosus mimus Leech was synonymized with A. lutosus in the revision by Larson (1994).
Hybridization
Documented hybridization with A. griseipennis in the Pacific Northwest represents a rare case of interspecific in diving .