302 BULLETIN 15, UNITKD STATES NATIONAL MUSEIM. 



Vertox not iiiv'^iiliirly ]>r<Mlii<'(ML 



Coxj.' n f. -piceoii.s or jiiih' 5 



Coxtr bluck. 



Lvf^H Itliick or Idown-bliU'k, tln' tursi nsiially iialo. 

 ML'ta|)leiii'ii liarc, iiciciilatcd. 

 Club stout; the Joints, ixcopt tins liiHt, iih wide hh lon<;. 



1'. CYNIPICOI.A Aslllll. 



Meta|ileuru covered with a srrici'ous pubescviicc 

 Tejjuhi" rufo-piccouN. 



First thrt-e fnnirlar Joints slender, cylindric, of e(|iial thickness, thcHee- 

 ondslif^htly ionjjcr than tli« third; el ul> slender, the Joints distinctly 

 lonf^er tlian thick 1'. KiriiOTi.K. 



First funielar Joint small, the second and tliird larjj;er, efjual; club slen- 

 der, the joints, exeejit the last, not lon>;er tJian thick I*. lU Ml. 



Tejjnhe black. 



!• irst funielar Joint v»'ry small, second and third longer, eipinl, the, fourth 

 stouter; club very sleniler, tin- Joints, except the last, scarcely longer 

 than thick; a tuft of hairs at base of parai)8ides P. asvnai-T.k. 



First funielar Joint small, tiie second anil third longer, the second the 

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

 so slender, tins Joints, except the last, slightly wider than long; no 

 tuft of hairs at ba.se of parajtsides 1'. iiUACHl'C.K. 



5. Tegube rufo-jiiceous. 



Legs rufo-j»iceous, the front tibia- and all tarsi aiul knees honey-yellow. 

 Antenna? brown-black; Joint 1 of fnnicle minute, second slightly longer 

 and thicker than the thiid, fourth as long as second, but stouter; 

 club Joints slightly ]>edic« llato, a little longer than thick; no tuft 



of hairs at base of parapsides I*, actino.mkhiuis. 



Antenna' lirown; Joint 1 of funielo very minute, second and third longer, 

 about e<iual, fourth stouter; club Joints longer than thick; a tuft 



of hairs at base of parapsides P. VKKNt)Ni.*;. 



Teguhe black. 



Legs rufo-piceous, trochanters, knees, tips of tibia-, and tarsi jiale or honey- 

 yellow. 

 AntenuiB dark l)rown; Joint 1 o|" funiele minute, not rounded, second a 

 little larger, third shorter than .second; club joints as wu\v as long; 

 a slight tuft of hairs at base of parapsides P. astkuicola. 



6. Vertex posteriorly microscopically shagreened or punctate. 



Coxa^ black. 

 Legs black, tarsi fuscous. 



Antennai black, slender; fnnicle joints, first and second small, about equal, 

 scarcely longer than thick, third and fourth larger, e((ual ; club 

 very slightly liiicker than the last funielar joint, a littl(> thicker 

 toward apex; the Joints, excejit the last, one and a half times as 



huig as thick; wings hyaline P. toi.oKADK.vsis. 



Antt-nna? very slender, long, anbelavate, black; joint ' of fnnicle twice 

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

 fourth shorter bnt stouter; the clnb joints thrice as long as thick ; 



wings hyaline P. filicornis. 



Vertex posteriorly smooth, shining. 



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

 Antennai black, the pedicel 2J times as long as thick ; first three fnniclar joints 

 about of an eqn.al length, the third a little the stoutest; club 5- 

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

 middle joints outwardly subserrate; wings slightly sniokj'^. 



P. CAUFORN1CU8. 



