Zayante Sandhills Conservation Bank

Ben Lomond Wallflower		Mount Hermon June Beetle		Silverleaf Manzanita		Band-winged Grasshopper		Ben Lomond Spineflower		Ben Lomond buckwheat
Ben Lomond Wallflower	Zayante Sandhills Conservation Bank									Ben Lomond buckwheat

Zayante Sandhills Conservation Bank Federally Endangered Species

Mount Hermon June Beetle-
Polyphylla barbata

- The Mount Hermon June beetle is a member of the Scarabaeidae family (scarab beetles). It was listed as an endangered species on January 24, 1997 (62 Federal Register 3509). The majority of its life cycle occurs beneath the soil surface. Generally, adult females lay eggs beneath the soil surface on, or in close proximity to, host plants.

Eggs hatch into larvae that feed on roots of host plants. Eventually, male and flightless female adult beetles emerge during anytime between May 15 and August 15 of each year. Their activity period generally occurs between 8:45 p.m. and 9:30 p.m with mating occurring on the soil surface. Adult males fly low to the ground in search of pheromones released by flightless females. After they have mated, females retreat into the soil where they presumably lay eggs.

Photo-Arnold

The Mount Hermon June beetle is found in association with Zayante sands and vegetation characteristics of the Sandhills. However, adults have also been found in disturbed sandy areas where remnants of these habitats still occur. Recent surveys have found beetles closely associated with ponderosa pine trees, although adults have been found at sites with no pine trees present.

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