Cryptocephalus alternans is a species of case-bearing leaf beetle in the family Chrysomelidae. It is found in the Middle America (Mexico) and the Southwestern United States (California, Arizona).
Subspecies These two subspecies belong to the species Cryptocephalus alternans: Cryptocephalus alternans alternans Suffrian, 1852 Cryptocephalus alternans jungovittatus R. White, 1968
Cryptocephalus alternans jungovittatus measures in length.
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