144 
Psyche 
[September 
fourth, striae fine but distinctly impressed, intervals moderately 
punctate. 
Prosternum not at all carinate; last ventral deeply sinuate 
each side of the apex which is produced to form a subtrapezoidal 
lobe nearly as long as wide and having its apex distinctly emar- 
ginate; middle and hind tarsi noticeably longer than the tibiae. 
Length 14.5 mm.; width 3.8 mm. 
California. A single male from Fresno Co. 
This species like the two preceding falls near oplatus by 
Horn’s table, but it differs conspicuously from all of these by the 
short hind angles of the thorax and the remarkable apical ventral 
process. 
Aphricus tenuis n. sp. 
Very elongate, parallel, dark fuscous brown, moderately 
shining, pubescence fine, short, grayish and not dense. 
Antennae long, filiform, attaining the apical third of the 
elytra, joints 2-3 small, the latter slightly longer, together about 
two-thirds as long as the 4th; 4-11 very gradually increasing in 
length and diminishing in width, nearly parallel sided, the 4th 
about two and one-half times as long as wide, the 11th about 
seven times as long as wide and two-thirds longer than the 4th. 
Front feebly concave, margin acute, narrow and only slightly 
reflexed, oblique at sides, subtruncate at middle, rather finely and 
not closely punctate; eyes moderate. 
Prothorax scarcely wider than the head, one-fourth longpr 
than wide, sides straight and parallel almost throughout, a little 
incurved at apex and with moderately divergent hind angles 
which are very finely feebly carinate; side margins fine and 
entire, gradually obliquely descending toward the front; surface 
very finely sparsely evenly punctate, integuments polished. 
Elytra elongate, parallel, a little more than three times as 
long as wide, three and one-third times as long and not quite 
one-fourth wider than the thorax; punctate striate, the striae 
scarcely impressed except slightly so at base, intervals sparsely 
finely punctate. 
Prosternum and propleura finely sparsely punctate, meta- 
