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Casey's June Beetle: Endangered Species

Casey’s June beetle, Dinacoma caseyi Blaisdell, is known from only two populations in the southern part of Palm Springs, California. Its remaining habitat of roughly 600 acres consists of approximately nine fragments and is rapidly declining. Adults emerge from the ground to mate in late March through June and reach their peak in mid to late May. The females have reduced wings and are flightless, while the males are fully-winged and capable of flight. Little is known of their life cycle or food plant preferences. The greatest threats to Casey's June beetle populations are habitat destruction, degradation, and fragmentation due to residential and recreational development.