Dichelotarsus fissilis
(Fall, 1926)
Dichelotarsus fissilis is a soldier beetle ( Cantharidae) described from western North America. Originally described as Podabrus fissilis by Fall in 1926, it was later transferred to the Dichelotarsus. The is known from a limited number of records in and montane regions of Canada and Alaska. Like other Cantharidae, are likely active during daylight hours and associated with vegetation.
Pronunciation
How to pronounce Dichelotarsus fissilis: //dɪˌkɛloʊˈtɑːrsəs ˈfɪsɪlɪs//
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Identification
Dichelotarsus fissilis can be distinguished from other Dichelotarsus by the presence of a distinct longitudinal fissure or on the , referenced in the species epithet. The Dichelotarsus is separated from the similar genus Podabrus by antennal structure and male genitalia characteristics. Accurate identification requires examination of these structural features; external alone may be insufficient.
Habitat
Recorded from forest and montane regions. Associated with coniferous and mixed woodland environments in western Canada and Alaska.
Distribution
Known from Alberta and British Columbia in Canada, and Alaska in the United States. Distribution appears restricted to northwestern North America.
Similar Taxa
- PodabrusHistorically confused with Dichelotarsus; distinguished by antennal and male genitalia structure.
- Dichelotarsus (other species)Share -level characters; D. fissilis specifically identified by elytral fissure.
More Details
Taxonomic history
Originally described in Podabrus by Fall (1926), later transferred to Dichelotarsus based on revised generic concepts in Cantharidae. The basionym Podabrus fissilis remains relevant for literature searches.