Cordylospasta
Horn, 1876
Cordylospasta is a of () to western North America, containing two : C. fulleri and C. opaca. C. fulleri is distinguished by having 8-10 antennal , unique among North blister beetles, while C. opaca possesses the typical 11-segmented . The two species are strictly . C. opaca exhibits step-clinal geographic variation in seven anatomical characters across central and southern California, with six biological races recognized equivalent to .
Pronunciation
How to pronounce Cordylospasta: /kɔr.dɨ.loʊˈspæ.stə/
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Identification
C. fulleri can be distinguished from all other North by its reduced with 8-10 . C. opaca has 11-segmented antennae. The two are and do not co-occur.
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Distribution
Western North America. C. fulleri and C. opaca are strictly . C. opaca occurs in central and southern California, where six biological races are distributed across the region.
More Details
Taxonomic history
The current concept of Cordylospasta represents a considerable modification from earlier . The was revised by Pinto in 1981.
Infraspecific variation in C. opaca
Due to limited material, interracial reproductive relationships among the six biological races of C. opaca cannot be inferred confidently. An informal approach to recognition was followed in the taxonomic revision.