76 U. S. NATIONAL MUSEUM BULLETIN 216 



University, Tallac at Lake Tahoe, Tanbark Flat in Mariposa Co., 

 Weaverville, and 3 miles west of Westgard Pass in Inyo Co.) and 

 Oregon (Kane Creek 5 miles west of Gold Hill at 2,000 ft.). 



Collecting dates are from May 10 to July 4. 



There are two flower records: on Astragalus 3 miles west of West- 

 gard Pass, Inyo County, Calif. ; and on Eriodictyon at Keen Camp in 

 the San Jacinto Mts., Calif. 



This species is in the Upper Sonoran fauna of California and Oregon. 

 Adults occur in early summer. 



6. Metopius (Metopius) vittatus, new species 



Figure 184,c 



Front wing 8.3 to 9 mm. long; upper edge of facial shield somewhat 

 protuberant so that the facial shield is distinctly concave in profile 

 (facial shield less concave or flat in other Nearctic species of the sub- 

 genus) ; punctures on facial shield small, sharp, and of irregular size, 

 their interspaces about 0.3 their diameters; lower tooth of mandible 

 lacking entirely; punctures on mesopleurum rather small, sharp, 

 their interspaces about 0.5 their diameter; punctures on metapleurum 

 rather coarse, moderately sharp, their interspaces about 0.4 their 

 diameters; first tergite about 0.70 as long as wide, in profile very 

 strongly rounded, about 1.35 as long as high; third tergite about 0.73 

 as long as wide; seventh tergite of male and sixth tergite of female 

 with a weak, blunt, median apical angle which is weakly raised. 



Black. Face except for median vertical elliptical area or sometimes 

 a small median spot, interantennal process, side of frons, scape 

 beneath, often pedicel beneath, often part of free margin of labrum, 

 palpi, stripe along upper margin of pronotum, usually part and some- 

 times all of tegula, subtegular ridge, vertical elliptical to rectangular 

 spot beneath subtegular ridge, small spot on mesopleurum near 

 middle coxa, sometimes stripe on mesosternum next sternaulus, 

 large area on metapleurum, apical half of scutellum and its basolateral 

 corners, postscutellum, spot at apex of second lateral area of pro- 

 podeum, apical 0.2 to 0.8 of front and middle coxae, apical spot on hind 

 coxa beneath, trochanters except for hind basal part of first hind 

 trochanter, narrow base and broad apex of femora, usually more or 

 less of front and middle femora in front, front and middle tibiae and 

 tarsi, hind tibia except for brown mark behind (broadened apically), 

 all but base of first tergite, apical 0.25 to 0.75 of second and following 

 tergites, and male genitalia, yellow; flagellum basally brown beneath; 

 wings tinged with brown, the front half of front wing darker. 



Type: 9, 10 miles west of Jacob Lake, Ariz., June 6, 1946, R. M. 

 Bohart (Washington, USNM 63618). 



