Pseudocotalpa andrewsi, known generally as the Andrews dune scarab beetle or Andrews dune beetle, is a species of shining leaf chafer in the family Scarabaeidae.
Distribution The species is endemic to the Algodones Dunes in California. It is associated with Hymenoclea shrubs, though the reason for this is unclear.
Behaviour Adults fly above the sand for around half an hour each evening. They are not likely to travel long distances. Adults are mainly active from February to April, and burrow in sand when not active.
Conservation The species is threatened by use of off-road vehicles.
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