304 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



Pedicel smaller tliau the Kecoiul fiuiiclar joint, the first fuuiclar as long as 

 thick, close to the second, tlie second longer than wide, and a little 

 thicker than any of the others, clnb G-jointed, the joints, except the 

 last, not longer than wide, the last coni'-shaped, twice as long as 

 the preceding, all witli glittering white hairs P. atuii'LICIS. 



Pedicel as long as the second fnuiclar joint, the lirst rounded, the second 

 curved, twice as long as thick, club 6-jointed, with white hairs, the 

 joints, except the last, oval, loosely joined, the last cone-shaped, 



twice as long as the preceding 1'. viticola. 



Trochanters, anterior knees and tihiie at tips, all tarsi and the base of middle 

 and posterior tibia', honey-yellow. 



Pedicel longer than the second fuuiclar joint, which is dilated apically, the 

 tirst fuuiclar joint small, club (5-joiuted, the joints, except the first 

 and last, a little longer than thick, the tirst as wide as long, the last 



conical, twice as long as the prei-eding P. iiiemalis Forbes. 



Legs rufo-piccous, anterior tibia> and the tarsi honey-yellow. 



Pedicel as long as the lirst Mid second fuuiclar joints together, the first 

 (small, the second a little longer than wide at apex, the third shorter, 

 club 5-joiutcd, thojoints, except the last, (luadrate.. .P. cynii'Icola. 



Pedicel not as long as the first and second funiclar joints united, the first 

 Ruuill, rounded, the second nearly twice as long as thick, club 

 G-jointed, hairy, the joints, except the last, oval, the last fusiform, 

 twice as long as the preceding P. alnicola. 



4. Legs brown, middle and posterior femora dusky. 



Pedicel longer than the second funiclar joint, the first small, rounded, the 

 second curved, dilated at tip, club G-jointed, the joints, except the 

 last, moniliform, loosely joined, the last fusiform, twice as long as 



the preceding P. astkricula. 



Pedicel as long as the first and second funiclar joints united, the first very 

 minute, the second a little thicker than long, not dilated at tij), clult 

 (i-jointed, the joints, except the last, moniliform, the last thicker, 



long-oval, not twice as long as the preceding P. vkknoni.e. 



Legs dark rufous. 



Pedicel as long as the sec(md funiclar joint, the first small, rounded, the 

 second thickened, slightly curved, club 6-joiuted, the joints, except 

 the last, longer thau thick, the last conic, (me-third longer than the 



preceding P. EU rii.E. 



Legs pale brownish-yellow, the posterior femora and tibia' slightly dusky. 



Antenna^ except the clul», pale brownish-yellow; peilicel as long as the first 

 three fuuiclar joints uuit('<l, first and second snuill, the third dilated, 

 club G-jointed oval-mouiliform, the last joint twice as long as the 



preceding P. rLOKlDANl's. 



Vertex not ]uinctate or shagreeued, shining 6 



5. Vertex finely closely punctate or shagreeued, opaque. 



Coxa; black. 



Vertex angularly ])ro(luccd over the eyes. 



Legs black, the tarsi rufous P. ANGUI.atus. 



Vertex not angularly ])roduced over the eyes, normal. 



Legs dull rufous, jiosterior femora piceous, tarsi yellowish, sides of jirono- 

 tuni striated ; joints of club, except the last, tiausverse-moniliform, 

 the last fusiform, twice as long as the penultimate; second funiclar 



joint very slightly dilated P. striaticollis. 



Sides of pronotum perfectly smooth, ])olislied; joints of club, exce])t the 

 last, transverse-moniliform, the last fusiform; second funiclar joint 

 much dilated P. l.i;vicullis. 



