Epicauta sublineata
(LeConte, 1854)
Gray-headed Blister Beetle
Epicauta sublineata is a of blister beetle in the Meloidae. It is found in Central America and North America. The species is assigned to the subgenus Macrobasis within Epicauta. Like other blister beetles, it possesses chemical defenses based on .
Pronunciation
How to pronounce Epicauta sublineata: /ˌɛpɪˈkaʊtə səˌblaɪniˈeɪtə/
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Identification
As a member of the subgenus Macrobasis, E. sublineata can be distinguished from the nominate subgenus Epicauta by subtle morphological characters, though specific diagnostic features for this are not documented in available sources. The species name 'sublineata' suggests subtle linear markings may be present.
Distribution
Central America and North America. The has been recorded from the southwestern United States and Mexico, with museum specimens held in the Entomology Research Museum at the University of California, Riverside (5 specimens as of 2010).
Similar Taxa
- Epicauta (Macrobasis) subglabraBoth belong to the subgenus Macrobasis and may occur in similar geographic regions, though E. subglabra is distinguished by its relatively glabrous (less hairy) .
- Epicauta (Epicauta) puncticollisA common and widespread in the nominate subgenus that may overlap in range; distinguished by subgeneric placement and typically more robust build with distinct punctation on the pronotum.
More Details
Taxonomic Placement
The is classified in the subgenus Macrobasis of Epicauta, a group primarily distributed in North America with many species showing southwestern U.S. and Mexican affinities.
Museum Holdings
As of April 2010, the Entomology Research Museum at UC Riverside held 5 specimens of E. sublineata, indicating it is relatively uncommon in collections compared to more widespread Epicauta such as E. puncticollis (806 specimens) or E. pruinosa (562 specimens).