Petelka 1943 Pentestea rufescens June 19 Hayfork Valley, 3200-4000 ft., Trinity Co., Calif. Observed in Douglas fir forest of canyon bottoms, pockets and draws between elevations given above. Noted to range up the slopes into more open forest of mixed firs, yellow pine, and oaks. In the latter situations, this species occurs with P. gambeli. June 22 Iron K. Hayfork, 2400 ft., Trinity Co., Calif. Present in Douglas fir-yellow pine-oak forest on north-facing slope along Hayfork Creek. June 26 Iron W Hyampom, 1200 ft., Trinity Co., Calif. One noted moving along a cool draw forested with pine-fir and oak on the south-facing slope west of Camp.