jig CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



tennae, legs, rostrum and venter, paler on the rostrum, tibiae and tarsi, darker 

 on the anterior femora and venter; collum, posterior lobe of pronotum, clav us 

 and corium behind tip of scutellum castaneous somewhat varied with ob- 

 scure brown ; expanded lateral margins of pronotum to the tumid humeri and 

 base of costa and corium creamy white; membrane fuscous with a large oval 

 white spot at apex of corium and the base and nervures paler; surface 

 clothed with sparse, short appressed golden pubescence. 



Described from one male taken by me at Keen Camp in 

 the San Jacinto Mountains, at 4,800 feet, June 8, 1917, and 

 one male taken by Dr. Charles von Geldern at Cisco, Calif., 

 in July, 1911. The broad form, short scutellum and opaque 

 surface will distinguish this among our species with smooth 

 hind tibiae. 



Holotype, male, No. 760, Mus. Calif. Acad. Sci. ; a para- 

 type, male (von Geldern specimen) also in Academy's col- 

 lection. 



Type locality, Keen Camp, San Jacinto Mountains, Calif., 

 at 4,800 feet. 



9. Megaloceroea koebelei, new species 



Paler than debilis, with antennae and legs more hairy and 

 the clypeus less prominent; pale testaceous with slender 

 rosaceous line behind the eye attaining hind margin of pro- 

 notum, and a similar one inferiorly on the sides of pectus 

 and venter. Length 6 l /> to 7 mm. to tip of venter. 



Head as wide across the eyes as long from the basal constriction ; a little 

 narrowed behind the eyes so the latter do not quite touch the anterior angle of 

 pronotum; vertex smooth, convex, slightly tumid above base of clypeus; 

 median sulcus obsolete beyond the middle; clypeus very prominent and convex 

 with deep sutures. Antennas inserted close to anterior angle of eye ; segment 



I as long as pronotum, cylindrical, becoming a little thinner on apical fourth; 



II nearly three times length of I and considerably thinner; III and IV suc- 

 cessively thinner, III two-thirds length of II, IV one-half of III, I pale pilose, 

 the hairs equal to thickness of III, II to IV subequal. Rostrum reaching on 

 to second ventral segment, segment I attaining base of anterior coxae. Pro- 

 notum two-thirds as long as wide, coarsely punctate; sides with a short 

 obtuse carina behind collum, posteriorly ecarinate; callosities forming a 

 narrow transverse ruga either side; median line obscurely carinate. Scutellum 

 rugose-punctate, smooth at apex ; basal lobe narrowly exposed, smooth. Elytra 

 surpassing the abdomen, coarsely punctate, becoming smooth toward the costa. 

 Male genital segment subacutely triangular; sinistral clasper slender, curved 

 upward and acute at apex, the dextral short, blunt. 



Color, yellowish luteous, a little deeper on head and scutellum; a longitu- 

 dinal vitta behind the eye, fading out toward hind margin of pronotum, and 

 another inferiorly nearly attaining apex of abdomen rosaceous or dark san- 

 guineous, basal angles, depressed margins, and sometimes the median line 

 of scutellum, sanguineous; antennae rufous or rufo-piceous; tip of tibiae and 

 the tarsi Wackish; eyes black; tergum with a sanguineous lateral vitta. 



