258 CALIFORNIA ACADEMY OF SCIENCES. 



on the sunken and punctate middle line, the lower part 

 of this surface punctate generally, and the base of the 

 tylus also punctate as above; occiput acute-edged; the 

 eyes large, pale, placed nearly vertical, sinuated inwardly, 

 with very coarse facets. Antenna? stout, so closely 

 sprinkled with piceous as to appear blackish, the basal 

 joint stouter and nearly all black, the second joint long- 

 est, about as long as the clavus, the third a little longer 

 than the basal one and the fourth a little shorter than the 

 basal, very acute at tip. Rostrum mostly dull testaceous, 

 piceous at base, reaching between the middle cox« ; the 

 tylus white from near base to next the tip, the base and 

 tip marked with black. Pronotum convex, the outline 

 concurring with the oval curve of the hemielytra, the sur- 

 face irregular^ and deeply punctate, having a large sub- 

 quadrate black spot anteriorly which includes the convex 

 callosities, the transverse impression deep, sunken in the 

 middle; collum narrow, deeply contracted, marked with 

 a small black knob in the middle ; lateral carina ver}- 

 slender, pale, slightly sinuated posteriori}-, a little reflexed 

 next the humeri ; more or less spotted with black near 

 the posterior margin. Scutellum polished, black, with 

 two triangular yellowish spots at base, the tip acute, 

 whitish. Legs testaceous, pointed and spotted with 

 brown, more especially towards the tip of the femora, 

 the tarsi piceous at base and tip, the nails black; the 

 coxa? and sternum whitish. Pleural segments piceous 

 black. Hemielytra grayish testaceous, minutely pubes- 

 cent, the costal area wide, pale testaceous, edged with 

 brown rugula?, the corium unevenly punctate, with small 

 brown spots scattered about and a large blackish spot at 

 the inner tip overlapping the base of cuneus; embolium 

 whitish, fringed with hairs; cuneus ivor3^-yellow, mar- 

 gined and tipped with black ; membrane pale smoke- 



