FAM. stylopim: 



Stylopidse. Kirby, Trans. Linn. Soc. Lond. Vol. n, p. 102 (i8i3). ! 



Stylopides. Saunders, Trans. Ent. Soc. Lond. p. 21 (1872). 



Stylopidse. Pierce, Proc. Ent. Soc. Wash. Vol. 9, p. 76 (1908); Bull. U.S.Nat. Mus. no. 66, p. 90 (1909). 



Characters. — Male. — Antennas six-jointed, third joint laterally produced; tarsi four-jointed. 

 Female. — Cephalothorax broadly truncate or rounded at apex ; head about one-half as wide as 

 metathorax at spiracles; five genital tubes entering brood-canal. 



The family includes two genera, parasites of Andrenidas. 



TABLE OF GENERA 



ia. Wings with eight primary veins from base, with two distal detached veins 



between the radius and medius; antennae short and robust. Female 



cephalothorax broadly truncate or rounded at apex; head about one-half 



as wide as metathorax at spiracles 1. Genus Styi.ops, Kirby. 



lb. Wings with seven primary veins from base, cubitus missing, costal margin 



with distinct stigma, subcosta and radius apically united, a detached 



branch of medius immediately posterior to that vein, a detached branch 



of medius between radius and medius, third anal very short; antennae 



more attenuate. Female unknown 2. Genus Parastylops, Meijere. 



I. Genus STYLOPS, Kirby 



Stylops. Kirby, Monogr. Apum A.nglise. Vol. 2, pp. 112. n3 (1802): Trans. Linn. Soc. Lond. Vol. n. 

 pp. 112, n3 (i8i3); Curtis, Brit. Ent. Vol. 5,. p. 226 (1828); Saunders, Trans. Ent. Soc. Lond. 

 p. 26 (1872); Pierce, Bull. U. S. Nat. Mus. no. 66, p. 90 (1909). 



Characters. — Male. — Head transverse, eyes prominent, multiple-facetted. Mandibles long, 

 slender, lanceolate; maxilla; two jointed. Antennae sensitive, short and robust, six-jointed; third joint 

 laterally produced, following joints cylindrical. Prothorax and mesothorax transverse, band-like. Elytra 

 shoit, crumpled. Metathorax elongate; prsescutum transverse, laterally convex, apically truncate, about 

 twice as wide as long; scuti reaching base of metathorax at sides of praescutum, and united behin 1 

 latter; scutellum bluntly triangular with convex sides, longer than prsescutum, but separated from it by 

 the scutum; postlumbium semi-circular in outline and of a different consistency from the other parts; 

 postscutellum very broad and apically broadly rounded, not twice as long as wide. Wings with eight 



