302 BULLETIN 15, UNITED STATEH> NATIONAL MUSEUM. 



Vertex not angularly produced. 



Coxjc rufo-piceous or jiale 5 



Coxie black. 



Legs black or brown-black, the tarsi usually pale. 

 Metai)leura bare, aciculated. 



Club stout; the joints, except tlie last, as wide as long. 



r. CYNiriioi.A Asliui. 

 Metapleura covered with a sericeous ]>ube8cence. 

 TeguLe rufo-piceous. 



First three funiclar joints slender, cylindric, of etfual thickness, the sec- 

 ond slightly longer than the third; club slender, the joints distinctly 



longer than thick P. emroti.k. 



First funiclar joint suuill, tlie second and third larger, equal; club slen- 

 der, the joints, exce})t the last, not longer than thick P. Kliu. 



Togulic black. 



First funiclar joint verj' small, second and third longer, cijual, the fourth 

 stouter; (dub very slender, the joints, except the last, scarcely longer 



than thick; a tuft of hairs at base of parapsides P. asynai'T.i;. 



First funiclar joint small, the second and third longer, the second the 

 larger, the fourth stouter, a little longer than the second; club not 

 so slender, the joints, except the last, slightly wider than long; m> 

 tuft of hairs at base of parai)sides P. huach L'C'.e. 



5. Tegube rufo-piceous. 



Legs rufo-piceous, the front tibiic and all tarsi and knees honey-yellow. 



Antenna; brown-black; joint 1 of funicle minute, second slightly longer 

 aud thicker than the third, fourth as long as second, bur stouter; 

 club joints slightly pedicellate, a little longer than thick; no tuft 



of hairs at base of parapsides P. actinomekidi.s. 



Antcuine brown; joint 1 of funicle very minute, second and third longer, 

 about equal, fourth stouter; club joints longer than thick; a tuft 



of hairs at base of parapsides I*, vehnoni.e. 



Teguhe black. 



Legs rufo-piceous, trochanters, knees, tips of til)i;e, and tarsi pah^ or honey- 

 yellow. 

 Antenna' dark brown; joint 1 of funicle minute, not rounded, second a 

 little larger, third shorter than second ; club joints as wide as long; 

 a slight tuft of hairs at ba.se of pai-apsides P. astj;hicola. 



6. Vertex posteriorly microscopically shagreened (U- punctate. 



Coxa; black. 

 Legs black, tarsi fuscous. 



Antenufe black, slender; funiide joints, first and second snuill, about ecjual. 

 scarcely longer tlian thick, third and fourth larger, eijual; club 

 very sliglitly tliiiker than the last funiclar joint, a little thicker 

 toward apex; tl.e joints, except the last, one and a half times as 



long as thick ; wings hyaline P. cui.okadensi.s. 



Antenna- very slender, long, subclavate, black; joint 1 of funicle twice 

 as long as thick, second nearly twice as long as the lirst, third and 

 fourth shorter but stouter; the club joints thrice as long as thici< ; 



Avings hyaline P. filicoknis*. 



Vertex jtosteriorly smooth, shining. 



Coxa' and legs black, the tip of anterior tibia' and tarsi fuscous. 

 Antennie black, the pedicel 2i times as long as thick ; lirst three Inniclar joints 

 about of an equal length, the third a little the stoutest; club 5- 

 jointed, very little longer than thick, except the last, the three 

 middle joints outwardly subscrrate; wings slightly smoky. 



P. CAIJFORNICUS. 



