MONOGRAPH OF THE NORTH AMERICAN PROCTOTRUPID^. 335 



AnteunjE houey yellow, slightly dusky at apex and reaching the bas*^ of 



the abdomen; secouO flagellar joint about two-thirds the length of 



the first, about 2^ times as long as thick, the four following joints 



equal, as long as the second; cauda short P. obsoletus Say. 



Middle keel extending to the base of the petiole. 



Second flagellar joint half the length of the first, 2^ times as long as thick, 



the following joints, except the last subequal; cauda short. 



P. Belfragki, sp. nov. 

 Metanotum on each side of the median keel rugose. 



Middle keel ending at the superior edge of the posterior face. 



Second flagellar joint thrice as long as thick, two-thirds the length of first, 



=,. following joints except the last gradually shortening cauda short. 



^ , P. TEXANUS sp. nov. 



•t" Middle keel extending to the base of the petiole. 



Second flagellar joint 4 times as long as thick; abdomen ending in two 



spines, ^ P. cabolinensis, sj). nov. 



6. Head with a frontal carina between the antennae. 



Metathorax not twice as long as high 7 



Metathorax twice as long as high. 

 Head a little longer than wide. 

 Antenna' and legs rufous, the coxjp black basally. 



Antenna' longer than the head and thorax, the first flagellar joint ono- 

 third longer than the second, the others at leant thrice as long as 

 thick, 9 P. LoxGiCEi's, sp. n^v. 



7. Antenna; and legs, unless otherwise mentioned, rufous or reddish yellow, coxie 



more or less dusky basally. 

 Head a little larger than wide; antenuiP brown. 



First flagellar joint not longer than the second, shorter than the scape, the 

 others about twice as long as thick, the last twice as long as the 



penultimate, $ P. canadensis, sp. nov. 



Head not longer than wide. 

 Firet flagellar joint, not or scarcely longer than the second, the others three 

 times as long as thick, 9- (Coxa; sometimes wholly pale.) 



I*. siMULANs, sp. nov. 

 First flagellar joint distinctly longer than the second. 

 Flagellar joints 2 to 6 at least thrice as long as thick, 9 • 



P. MEDius, sp. nov. 

 Flagellar joints 3 to 10 only a little longer than thick, 9 • 



P. QUADIUCEPS, sp. nov. 



All coxa' black, the femora piceous. 



Antennai slightly thickened towards apex, dusky, the first flagellar joint 

 one-third longer than the second, joints 2 to 10 scarcely longer than 

 thick, 9 P. FEMORATUS, sp. nov. 



Proctotrypes caudatus Say. 



{PI. XIII, Fig. 7, 9.) 



Lee. Ed. Say's Works, I, p. 21; Ashm., Ent. Am., iii, p. 98; Cress., Syn. Hyin., p. 248. 



P. crennJatue Patton, Can. Ent., xi, p. 64 (1879); Ashm. loc. cit., p. 99; Cr. loc. 

 -'-^ cit. (supra), p. 248. 



3 9 . Length, 7 to 10 """. Ovii)ositor as loug as or a little longer than 

 the alMiomeu. Reddish testaceous; metathorax black, upper part of 

 mesopleura and the sutures often black; I'ead and thorax smooth, shin- 

 ing; collar a little wrinkled or grooved at sides; metathorax elongated, 

 rouuded behind, longitudinally rugulose and reticulated with coarse 



