210 PROCEEDINGS OF THE NATIONAL MUSEUM Von. 113 
tennal insertions; 4-6 thin carinae running from antennal insertions 
nearly to the apex in male; punctate but not carinate before antennal 
insertions in the female. Head black, finely rugulose, sparsely squa- 
mose in front. Antennae rufopiceous throughout. Prothorax black, 
broadly rounded at the sides, moderately narrowed and slightly con- 
stricted toward the apex; disk closely and deeply punctate; scales 
ovate and elliptical, yellowish brown, except for a few small patches 
of white scales toward the sides of the disk; prosternum moderately 
emarginate and concave. 
Elytra ferruginous except for a black svtural stripe and black 
outer margins; intervals covered with ovate, subtruncate scales, 
mostly yellowish brown, a scattered few white. Underside of the 
thorax and abdomen black, closely covered with ovate yellowish 
brown scales. Femora rufopiceous to ferruginous, moderately cla- 
vate, covered with elongate and elliptical pale yellowish brown scales. 
Tibiae rufopiceous, covered with linear, light yellowish brown scales. 
Tarsi piceous; third segment distinctly broader than first two; fourth 
segment extending well beyond third; claws nearly parallel, connate 
to near the middle. 
Measurements: The following measurements were taken from 2 
males and 1 female from Azusa, Calif. (CAS), a male from Kaweah, 
Calif. (CAS), a female from Folsom, Calif. (USNM), and a female 
from Mokelumne Hill, Calif. (CAS). All measurements are in 
millimeters: 
Males Females 
Mean Extremes Mean Extremes 
Body length 2. 40 2. 30-2.70 2.50 2. 30-2. 70 
Elytra length 1. 61 1.60-1.90 1.70 1. 60-1. 90 
Elytra width at base 1. 00 0.93-1.06 1.03 0. 90-1. 13 
Prothorax length 0. 66 0. 60-0. 73 0.65 0. 60-0. 70 
Prothorax width 0. 73 0. 63-0. 80 0.71 0. 66-0. 76 
Rostrum length 0. 84 0. 83-0.90 0.88 0. 83-0. 93 
Rostrum length before antennal 0.25 0. 23-0.26 0.32 0. 30-0. 33 
insertion 
Funicular segment 2 length 0. 051 0. 051 
Funicular segment 3 length 0. 051 0. 051 
Brotoay: No information is available on the biology of this species. 
Discussron: S. tardus and S. cuscutiflorae Pierce can be separated 
by the characters given in the key on p. 205, and when the two species 
are compared it can be seen that the rostrum of S. cuscutiflorae is 
straighter and stouter than that of S. tardus. In addition, the elytra 
of S. cuscutiflorae are distinctly wider behind the middle than at the 
base, while the elytra of S. tardus are subparallel at the sides. 
