Scarabaeiformia

Attracted to a light trap at the northern terminus of Farmer Road, Julian, California in the hour before dawn in light rain. Later that day it was photographed in Cuyamaca Woods, Julian.

Specimen collected February 12, 1972 by P. Tuskes.

Image taken with StackShot rail and rendered with Helicon Focus

Image taken with StackShot rail and rendered with Helicon Focus

Phall. muelleri

Phallocr. muelleri

Phall. muelleri

Found with a small number of other beetles of the same species in mid-morning on a sunny day. The beetles were clinging passively to the juniper branches.

Male, as shown by the presence of a horn. Attracted to light.

Female, as shown by lack of horn. Attracted to light.