Death Valley June beetle Concern by the United States Fish and Wildlife Service. The California Department of Fish and Game considers the beetle a "Special Animal" of high conservation need. Death Valley June beetle The Death Valley June beetle ("Polyphylla erratica") is a scarab beetle in the subfamily Melolonthinae. It is only known to occur in the drainage basin of the Amargosa River in the southwestern United States. Saltgrass communities, such as those at Saratoga Springs in Death Valley, provide habitat for the insect at all stages of its life. Predators of the beetle include coyotes, ravens, and shrikes, the last of which are
Places of interest in the Death Valley area is on is part of the Black Mountains which along with the parallel Panamint Range across the valley from what geologists call a horst and the valley that is called a graben. These structures are created when the surface of the earth is under extensional, or a pulling force. The crust responds to this force by sending a large and long roughly v-shaped block of crust down which forms the bedrock of the valley floor (see Basin and Range). Darwin Falls is a waterfall located on the western edge of Death Valley National Park near the settlement of Panamint Springs,