314 PROCEEDINGS OF THE NATIONAL MUSEUM Von. 113 
far beyond third; claws connate near base, slightly divergent. Inter- 
nal sac of male genitalia covered with fine spines; spiculum gastrale 
slightly sinuate, curved but not hooked at anterior end (fig. 88). 
MeasuREMENTS: The following measurements were taken from 10 
males and 10 females from Nogales, Ariz. (CNHM). All measure- 
ments are in millimeters: Males Females 
Mean Extremes Mean Extremes 
Body length 2. 46 2. 20-2.60 2.60 2. 20-2. 70 
Elytra length eas 1.60-1.90 1.88 1. 50-2. 00 
Elytra width at base 0. 99 0. 89-1.03 1.04 0. 92-1. 06 
Prothorax length 0. 59 0. 56-0.63 0.62 0. 53-0. 63 
Prothorax width 0. 65 0.59-0.69 0.67 0. 59-0. 73 
Rostrum length 0. 98 0.89-1.00 1.07 0. 92-1. 10 
Rostrum length before antennal 0. 35 0. 33-0.40 0.45 0. 40-0. 46 
insertion. 
Funicular segment 2 length 0. 068 0.071 0. 068-0. 085 
Funicular segment 3 length 0. 051 0.053 0. 051-0. 068 
Broutoey: A single host-plant record was taken from the material 
examined: “On Heleniuwm tenurfolium,’ 4 miles west of Dayton, 
Nevada, July 8 and 9 (B. D. Valentine). 
DistrisuTion: Records from the material examined indicate that 
S. abnormis may be found in the southern Rocky Mountains, southern 
portion of the basin and range province, and the Sierra Nevada and 
Los Angeles range portions of the Pacific mountain system. The 
following specimens were examined: 
ARIZONA: SANTA CRUZ Co.: Nogales, Aug. 14, 24, 27, 30, Sept. 1, 3 (CNHM). 
YAVAPAI Co.: Prescott, July 15 (USNM). 
CALIFORNIA: LOS ANGELES co.: Los Angeles, Apr. 28 (USNM); Palmdale, 
June (USNM); Pasadena, July (CAS), Sierra Madre, Aug. (CAS). RIVERSIDE 
co.: Palm Springs, March 12 (CNHM). san piEeGo co.: Warners, July 17 
(CAS). 
CoLoRADO: EL PASO co.: Colorado Springs, 6,000-7,000 ft., June 15-30 
(USNM). 
NEVADA: LYON co.: 4 miles west of Dayton, July 8 and 9 (B. D. Valentine). 
UTAH: SALT LAKE Co.: Draper, Aug. 23, 25 (B. D. Valentine). 
Total specimens examined: 71. 
SMICRONYX GRISEUS GROUP 
Description: Body elongate ovate, moderately stout. Rostra 
distinctly curved in both sexes, smoother and more polished before 
antennae in female. Second joint of antennal funicle slightly longer 
than third and shorter than first segment. Prothorax broadly 
rounded at sides and narrowed toward apex; disk covered with 
closely spaced rounded punctures. Elytra slightly wider behind 
middle than at base, humeri prominent, declivities barely distinct. 
Median lobe of male genitalia elongate, parallel at sides as in the 
S. ovipennis and S. resplendens groups (compare figs. 85, 89, 91). 
