What is "dinacoma"

Dinacoma is a small genus of beetles in the scarab family ( Scarabaeidae).

The genus Dinacoma includes two described species, D. caseyi and D. marginata. Delbert La Rue, a researcher experienced with the genus Dinacoma and a taxonomic expert stated, "Dinacoma caseyi is a distinct species morphologically and comprises its own species group—the caseyi complex—the other [species group] being the marginata complex which includes the bulk/remainder of the genus".