Genus Chanbria Muma
1951
Chanbria
Muma, 1951: 96
;
Muma, 1962: 27-28;
Muma, 1970a: 36; Muma, 1976: 20; Muma, 1989: 18.
Diagnosis: Small-
to moderate-sized psammophilic Therobatinae. Males with fixed finger
curved upwards and lacking mesal groove. Flagellum complex consisting
almost entirely of plumose setae that tend to be flattened or clavate near
the tip of the finger. Males without ctenidia on first post-spiracular
abdominal sternite. Genital opercula of females lobate posteriorly, with
the spermathecal opening behind them. Fondal teeth I and II of ectal
row reduced or lacking (especially in females); tooth III larger than tooth
IV. Mesal row of fondal teeth graded I, III, II, IV in order of descending
size.
Type species: Chanbria
regalis Muma, 1951, by original designation.
Distribution: NORTH AMERICA. Mexico: Baja California Norte,
Sonora; UNITED STATES: Arizona,
California, Nevada.
Included species: Chanbria rectus Muma, 1962;
Chanbria
regalis Muma, 1951; Chanbria serpentinus Muma, 1951;
Chanbria
tehachapianus Muma, 1962.
Key to species:
-
Fixed finger bent mesially from dorsal view (fig.
1), bearing aborted teeth on ventral
margin.......................................................................2
Fixed finger straight from dorsal view (fig. 2), ventral margin with
or without aborted
teeth.........................................................................3
-
Metatarsus of palpus with a scopula (fig.
3).......Chanbria regalis Muma
Metatarsus of palpus without a scopula...Chanbria
tehachapianus Muma
-
Fixed finger lacking aborted teeth on ventral
margin (Fig. 4)..................
.................................................................Chanbria
serpentinus Muma
Fixed finger with one aborted tooth and several denticles on ventral
margin (Fig.5)...................................................Chanbria
rectus Muma
