MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 353 



as the first tlagt'Uar joint ; pedicel not much longer than wide, narrowed 

 at base; tirst flagellar Joint ab<»ut half the length of the scape, the fol- 

 lowing joints shorter. Thorax with 2 nearly paiallel grooves, and be- 

 tween them anteriorly are 2 abbreviated gro<n'es. Mesopleura smooth, 

 polished, with a deep depression at the middle, terminating in a large 

 fovea posteriorly. Scntellum smooth, ronuded off posteriorly, and with 

 a large quadrate fovea across the base. Metathorax smooth, tricari- 

 nated. Wings hyaline; veins brown; the marginal vein about as long 

 as the short, triangular, closed marginal cell; the first branch of the 

 ra«lius is about one third as long as the marginal vein, straight. Legs, 

 including the coxa', brownish-yellow, the posterior pair slightly obfus- 

 cated. Abdomen conic ovate, brownish piceous, shining; the petiole is 

 about two and a half times as long as the metathorax, black, opaque, 

 and tinted. 



Habitat.— West Cliff, Colo. 



Type in Coll. Ashmead. 



Described from a single specimen captured by T. 1). A. Cockerell. 



Miota americana AhIiui. 

 Psilomma flmerjcana Aslini., Can. Eiit. , xix, p. 197. 



S . Length, 3™'". Slender, polished black, pubescent. Antennae 

 and legs pale brownish yeUow, or honey-yellow, the former dusky at 

 tips. Collar above rufous. Eyes nearly bare. Antennse 14-jointed, 

 setaceous, as long as the body, pubescent; the first flagellar joint is 

 fully as long as the scape, excised at basal half, the following joints all 

 long, but subequal with the first. Metathorax carinated, pubescent. 

 Wings subhyaline, the venation pale brown, the marginal cell shorter 

 than the marginal vein, the first branch of the radius straight, 

 one-third the length of the marginal vein. Abdomen rufopiceous, the 

 petiole very long, fully thrice as long as the metathorax or nearly 5 

 times as long as thick, shining but with grooved lines; body of the 

 abdomen pear-shaped, very little longer than the petiolQ. 



Habitat. — Jacksonville, Fla. 



Type in Coll. Ashmead. 



ACROPIESTA lY.ister. 



Hyin. Stud. II. p. 131 (1856). - ' : ■, 



. ■ ■ ' ' ■ > -/ ' 



• (Type ./. (o/ZarisForst.) 



Head transverse, or subglobose, the vertex convex, theocciput straight, 

 margined ; ocelli 3, very small, arranged iu a triangle ; eyes oval, sparsely 

 ])ubcscent. 



Anteunie inserted on a frontal prominence; in ? 15-jointed, subcla- 



vate, subraoniliform, the scape slightly bent, extending beyond the 



ocelli, i)edicel rounded, first fnniclar joint about twice as long as thick, 



subcyliudric, narrowed at base, truncate at tip, the joints beyond all sub- 



21899— ^'o. 45 23 



