Explanation of Names
cyst, =is, -o (G). The bladder; a bag
demas (G). A living body
(1)
Inflated Beetle used in
(2)Numbers
Two species of Cysteodemus
(3)Identification
Flightless; distinguished from all other meloid beetles by its inflated (air space below elytra may serve as insulation), spheroid, fused elytra. Elytra are coarsely pitted, and often covered with a white to yellowish secretion. (Adapted from Evans & Hogue. 2006. See References)
Range
California, Arizona, and Nevada.
(2)Habitat
Found in Mojave and Colorado Deserts
(2)Food
Larrea tridentata, Acamptopappus sphaerocephalus, Chaenactis spp., Geraea canescens, Palafoxia arida, Gilia spp., Loeseliastrum matthewsii, Tiquilia spp.
Life Cycle
Larvae have been found in subterranean nests of solitary bees (
(2))
Print References
Powell and Hogue, p. 294, fig. 318
(4)
Evans & Hogue, p.226, & plate 212
(2)