Cresson.] 272 [January 27, 



only the basal joint of the tarsi is white; wings uniformly pale dusky, 

 and the metathorax is less coarsely rugose at base. Length two and 

 one half lines. 

 ^ Hob. New Jersey. (Coll. Am. Ent. Soc.) 

 /l. P. pygmsea, n. sp. $. Much like veriicalis, but is snuifler; 

 the anterior orbital line curves inwardly just above insertion of an- 

 tennaj, and widens slijihtly at tip; the scape is not unusually dilate 1, 

 and has a yellow line or spot in front; the flagellum is testaceous be- 

 , neath. Length one and one half to two lines. 

 Hah. Illinois. (Coll. Am. Ent. Soc.J. 



§§. Species from Mexico and Cuba. 



8 P. azteca, n. sp. ?. Black, clothed with a short, pale 

 pubescence; head closely punctured, thorax deeply and coarsely 

 punctured, abdomen smooth and shining; line on anterior orbits 

 dilated beneath antennas; conical mark on clypeus, line on collar, 

 tubercles, one or two dots on tegulaj, and epot on base of tibijE, 

 lemon-yellow; front prominent between antennte; scape slender; scu- 

 tellum sparsely punctured; base of metathorax rugose; wings hyaline, 

 iridescent; abdomen ovate, lateral apical margin of segments with a 

 white fringe. Length three lines. 



Hab. Orizaba, Mexico. Prof. F. Sumichrast. (Coll. Am. Ent. 

 V^Soc.) 



0. P. dubiosa, n. pp. S. Slender; head densely and finely 

 / punctured; anterior orbits notched at insertion of antennae, clypeus, 

 line on mandibles, scape in front, collar, one or two dots on tegulse, 

 tubercles, scutellum, tips of anterior femora, their tibiffi and tarsi, 

 and annulus at base of four posterior tibiae, lemon-yellow; antennie 

 long, flagellum pale fulvous, dusky above; thorax deeply and coarsely 

 punctured; metathorax truncate and somewhat concave behind, 

 the base above with a transverse series of longitudinal carina; 

 abdomen elongate, narrow, subopaque, the surface very minutely 

 sculptured, lateral apical margin of the segments with a white fringe. 

 Length two and one half lines. 



Hab. Orizaba, Mexico. Prof. F. Sumichrast. (Coll. Am. Ent. 

 ^^ Soc.) ]\Iay possibly be the ^ of azteca. 



10. P. mexicana, n. sp. ?. Robust, black, head very closely 



/ and minutely punctured; anterior orbits slightly notched at insertion 



of antennaj, broad strij^e down middle of clypeus, spot above, collar, 



spot on tegular, tubcicles, scutellum, anterior tibite in front, and 



