Cryptocephalus alternans
Suffrian, 1852
Cryptocephalus alternans is a of case-bearing leaf beetle in the Chrysomelidae. It occurs in southwestern North America, including California, Arizona, and Mexico. Two are recognized: C. a. alternans and C. a. jungovittatus, with the latter measuring 4.7–5.0 mm in length.



Pronunciation
How to pronounce Cryptocephalus alternans: /ˌkrɪptoʊˈsɛfələs ˈæltərˌnænz/
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Distribution
Southwestern United States (California, Arizona) and Mexico (Middle America).