254 CALIFORNIA ACADEMY OF SCIENCES. 



long and slender, black, the basal joint crossed on the 

 upper side by numerous irregular white bands ; the sec- 

 ond joint much narrower than the first, with a white band 

 at base and another beyond the middle ; the third almost 

 setaceous, white at base, a little shorter than the second; 

 the fourth still shorter and a little more slender; border 

 of the antennal sockets black. Neck with two black 

 stripes each side behind the eyes. Pronotum long and 

 narrow, very moderately convex, more or less luteous, 

 or with the posterior lobe entirely luteous, obsoletely and 

 most minutely scabrous, remotel}" pubescent; the collum 

 distinct, the anterior lobe but little wider than the collum 

 and not much longer, with an indistinct carina on the 

 middle; the posterior margin very slightly sinuated, 

 fringed with whitish hairs ; the pleural flap pale and re- 

 flexed below. Legs pale testaceous, the anterior and 

 middle femora flecked with black near the tip, posterior 

 femora pale fulvous, or ros} , minutely flecked with brown 

 over most of the surface, and more distinctly pubescent; 

 tibiae with the knees, tip and two bands black, tarsi mostly 

 piceous, with the nails black. Scutellum pale fulvous, 

 tumid, finely whitish pubescent. Hemiel3^tra luteous, 

 tinged with rose pink, finely whitish pubescent, the costal 

 margin faintly sprinkled with brown; the cuneus deeper 

 rosy, sometimes bounded in front by a pale luteous spot 

 which is sprinkled with red; membrane whitish testace- 

 ous, marbled with smoke-brown and at tip broadly clouded 

 with the same color; wings pale fuliginous. Venter rosy, 

 fringed with pale silky hairs, and the borders of the seg- 

 ments pale luteous. 



Length to tip of venter, 5 mm. Width of base of pro- 

 notum, 2)4, mm. 



One specimen was secured at San Borgia, in May. by 

 Mr. C. D. Haines. It is No. 778. A pair in my collec- 



