PSYCHE 
VOL. XL 
MARCH, 1933 
No. 1 
NEW PSAMMOCHARID^E FROM THE 
UNITED STATES 
By Nathan Banks 
Museum of Comparative Zoology. 
The following new species are largely from the collec- 
tions made by Dr. Bequaert and recently given by him to 
the Museum of Comparative Zoology. 
Planiceps yavapai sp. nov. 
$ Black, scarcely at all purplish, wings black, on each 
side of second segment of abdomen is a distinct white spot. 
Head and general structure similar to P. luxus, the front 
femora even more swollen than in P. luxus; the hairs on 
front coxae are very fine and short, much shorter than in P. 
assimilis, the rest of legs devoid of hairs. There are short 
erect hairs on face, and still shorter ones on pronotum; 
propodeum and pleura without hairs. The face is fully as 
narrow as in P. luxus (much more narrow than P. niger). 
The posterior ocelli are scarcely nearer to eyes than to each 
other ; the antennae are noticeably more slender and longer 
than in other species, the third joint being more than three 
times as long as broad ; inner spur of hind tibia about two- 
fifths of basitarsus. Venation similar to the mentioned 
species; the second submarginal rather long, receiving the 
