Muma, 1951: 96 (key), 97 (figs 182-184), 98;
Muma, 1970a: 37;
Muma, 1976: 20; Muma and Muma, 1988: 25;
Brookhart and Brookhart, 2006: 315.
United States. Arizona: Pima County - Tucson,
June 16, 1950 (O. Bryant), adult male. Deposited in the American
Museum of Natural History.
1951: 96 (key), 97 (figs 182-184), 98:
Total length, 19.0 mm.
Chelicerae 4.8 mm. 1.6 mm.
Propeltidium 2.4 2.0
Fourth legs 26.0
Coloration in alcohol yellow to rusty yellow, with dusky purplish
markings as follows: distal ends of femur, tibia, and metatarsus of
palpus dark, metatarsus dark ventrally throughout length, tarsus dark on
proximal end; first, second, third, and fourth legs with femur dark on
anterior face at distal end, anterior face of tibia of fourth leg dark;
eye tubercle dark; propeltidium dark except for a longitudinal oval area
on the median line. Abdominal tergites discolored but apparently dusky.
Malleoli white to light yellow.
Dentition of chelicerae as shown in figures 182 and 183. Movable finger
lightly curved, with principal tooth small, anterior tooth very small
but distinct, two tiny intermediate teeth, no mesal tooth, and an
indistinct serration in front of the anterior tooth. Fixed finger
strongly sinuate, with traces of teeth on its ventral edge. Fourth
fondal tooth barely distinguishable from dentate socket margin of
movable finger. Fondal notch obscure.
Fixed finger without mesal groove.
Flagellum complex composed almost entirely of plumose setae which
increase in size and flatness towards the end of the finger. Mesal setae
of movable finger both simple and plumose.
Eye tubercle situated on anterior margin of
propeltidium. Eyes separated by slightly more than a radius.
Propeltidium wider than long by a ratio of 1 to 1.2.
Metatarsus and tarsus of palpus covered
with numerous weak cylinder bristles. Metatarsus provided with a narrow
scopula of about 40 papillae which extends nearly the entire length of
the segment. Metatarsus four times the length of the tarsus.
First post-spiracular abdominal sternite
not provided with ctenidia on its posterior margin.