MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 323 



Lei^s piceous or rufo-piceous, anterior tibhe iind base of iiiiddk' and posterior tibiae 

 pale or honey-yellow. 

 Head including face, finely, closely punctate. 

 Pedicel about as long as the first two fuuiclar joints together, the first funiclar 

 joint subtriaugular, small, the second much thicker and about as 



long as the longest club joint P. iierrickii Pack. 



Head finely, closely punctate, the face with a large polished space in the middle, 



transversely striated on lower part. 



Pedicel not as long as the first two funiclar joints together, the first funiclar 



joint a little longer than thick, narrowed, the second thicker and 



slightly shorter than any of the following. .P. obscukipenxis Ashm. 



MALES. 



Coxai black. 

 Legs yellow. 

 Head finely rugoso-punctate. 

 Face minutely punctate, with no grooved line; antennse brownish-yellow, 

 the second fuuiclar joint as long as the long pedicel; club joints not 



longer than thick P. caryvE Ashm. 



Face highly polished, with a central grooved line; antenna) brownish-yellow, 

 the pedicel as long as the first and second funiclar joints together, 

 the first very small, second a little thickened and curved ; club joints 

 oval-moniliform, the last fusiform, nearly twice as long as the pre- 

 ceding P. FLORiDENSis Ashm. 



Legs piceous or rufo-piceous; antenufe black or brown-black. 

 Head closely punctured or shagreened. 

 Face punctate, no transverse strise above antenna-; club joints twice as long 



as thick, subi)edicellate P. herrickii Pack. 



Face highly polished, with transverse strise above antenna?. 



Second funiclar joint not swollen; club joints broader than long; wings 



dusky P. obscuripennis Ashm. 



Second fuuiclar swollen ; wings hyaline. 



Club joints about twice as long as thick P. aphidis, sp. nov. 



Club joints thrice as long as thick P. gracilis Ashm. 



Face transversely aciculated. 

 Mesonotum and all pleura longitudinally striated.. P. aciculatus, sp. nov. 



Platygaster caryae, sp. nov. 



S 9. Length, 1.50 to 2""". Black, shining; vertex finely rugose, 

 the lace finely, closely punctate, with some transverse aciculations just 

 above the insertion of the antenna?. Mandibles pale brown. Antennte 

 10-jointed, yellow ; pedicel long, as long as the second funiclar joint, 

 first elongated, a little shorter than the second; club 6-jointed, fuscous, 

 the joints, except the last, wider than long, truncate at tip, rounded 

 at base. Thorax finely puuctulate, with two distinct furrows, the mid- 

 dle lobe posteriorly with a slight central line. Scutellum transverse, 

 convex. Metapleura and hind cox.ie beneath sericeous. Tegula», j^ice- 

 ous. Wings hyaline. Legs bright yellow or brownish-yellow, the 

 cox;e black, the posterior femora and sometimes the tibite dusky. Ab- 

 domen oblong oval, not longer than the thorax, the first segment and 

 the second, at base, striated, sparsely pubescent. 



