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Pseudocotalpa giulianii (PSGU) is an endemic species known to inhabit two sand dunes in Nye County, Nevada: Big Dune Recreational Area and Lava Dune. Differences in sand properties between Big Dune and Lava Dune could impact survival and growth of the larvae of P. giulianii. Use of permitted off-road vehicles (ORV) in Big Dune can impact its habitats and cause disturbances to local populations, including the Giuliani Dune Scarab as ORV activity is correlated with changes in dune vegetation. Lava Dune has no permitted ORV activity, however, differences in sand composition, including eroded basalt, have the potential to influence the life cycle of PSGU, specifically larval development as larvae reside beneath the surface of the dune sand for more than a year.
Las Vegas (Nev.)
University of Nevada, Las Vegas
Desert Ecology | Entomology
Hernandez Pena, Cosset and Mountain, Mandy, "Growth of Pseudocotalpa giulianii Larvae in Sand from Different Dune Sources" (2022). Undergraduate Research Symposium Posters. 133.
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Faculty Mentor: Daniel Thompson