Pterodontia from northern Sierra Nevada - Pterodontia flavipes -
Vermelli Ranch, at NW corner of Sierra Valley, Plumas County, California, USA July 13, 2011
Frontal view.
Notice the front femora here are "entirely deep yellow", in accord with the comments of Sabrosky on male P. flavipes in his 1943 notes on acroceridae appearing in the Entomological News, Vol. 45 (see 2nd paragraph on pg. 179 here).