Wilson, E. O.:
Pheidole (Ceratopheidole) grundmanni M. R. Smith 1953e: 144.
Etymology Named after the collector, A. W. Grundmann.
diagnosis A member of the granulata group (4-segmented antennal club), close to clydei and distinguished as follows.
Minor: propodeal spine more than half as long as the basal face of the propodeum anterior to it; petiolar node depressed, and petiole as a whole cylindrical; promesonotal profile in dorsal-oblique view forming a single smooth curve; occipital margin in full-face view broad and flat; carinulae of head reaching eye level; sides of pronotum smooth and shiny.
Measurements (mm) Paratype minor: HW 0.64, HL 0.70, SL 0.80, EL 0.16, PW 0.40.
Color Minor: body concolorous yellowish brown; appendages medium yellow; body hairs a contrasting white.
Range Known only from the type locality.
biology The types were collected from beneath a stone at the foot of a narrowleaf cottonwood tree, near the mouth of Ashley Canyon several hundred meters below Merkeley Park.
Figure Paratype, minor. UTAH: Ashley Canyon, near Vernal, Uintah Co., 1800 m (A. W. Grundmann). Scale bar = 1 mm.