23 
scutelli smooth; metathoravic carina delicate; petiole rather short, cylindrical, and 
rugose; abdomen elliptical, concave above, convex below. Pronotum and mesoscu- 
tum with many white hairs; a longitudinal row of long delicate white hairs on the 
metapleura of each side. Color, dark metallic-green; scape of antenne nearly 
white, flagellum, light ochre-yellow ; mouth parts nearly white, mandibles shining 
brown at tips; all legs yellowish-white, except hind coxz, which are brownish near 
base; basal half of abdomen above with a bright straw-colored blotch, bounded by 
brown and ending posteriorly in a straight transverse line; venter of abdomen with 
a longitudinal honey-yellow stripe, wider anteriorly than posteriorly. 
Described from 3 2’s bred, in June, 1873, from larvee of Proteoteras 
cesculana Riley, at Kirkwood, Mo. [C. V. R. Coll.] 
49. (2) Blachistus caccecie, n. sp. 
Male.—Length, 1.93™™; wing expanse, 3.84™™; greatest width of fore wing, 0.74™™, 
Face subtriangular, cheeks nearly straight; mesoscutar and scutellar furrows not 
continuous, interrupted by the angle of the scapule ; postmarginal vein much longer 
than stigmal. Head and eyes quite thickly covered with short, fine, dusky hairs, 
pronotum and mesoscutum furnished with longer and stouter dark hairs. Head sparsely 
punctured with transverse oblique lines on vertex and clypeus; occiput very finely 
and thickly punctured ; scutellum smooth, and mesoscutum only slightly shagreened. 
Color shining black, not metallic; scape of antenne whitish below, dark brown 
above, flagellum dark brown, with short, dense, whitish hairs; mandibles light 
reddish-brown; all legs yellowish-white, hind coxe slightly darker at base; first two 
joints of abdomen above with a yellowish-brown spot extending nearly to lateral 
edges, venter light brown at base. 
Described trom 6 3’s bred, August, 1877, from the leaf curl of Ca- 
cecia rosaceana (Harr.), at Kirkwoud, Mo. [C. V. R. Coll.] One 
specimen of apparently the same species was bred at Washington, from 
Hyphantria textor, upon which it fed externally. The adult made its 
appearance October 29, 1881. [Dept. Agr. Coll.] 
50. (3) Blachistus coxalis, n. sp. 
Female.—Length, 2.21™™ ; wing expanse, 4.34™™ ; greatest width of fore wing, 0.7™™, 
Resembles 2. proteoteratis very closely, but differs in size, as just indicated, and also 
presents the following colorational differences: The posterior cox have upon their 
outer basal portion a large definite metallic-green spot, which in proteoteratis is only 
faintly indicated; the middle cox are also faintly green at base; superior surface 
of antennal pedicel tinged with dark brown, superior portion of all the flagellar 
joints darker than inferior surface; metapleural hairs long and conspicuous; ventral 
yellow stripe very narrow near tip of abdomen. 
Described from 1 ° caught on window at Washington, D. ©., Janu- 
ary 14,1881. [C. V. BR. Coll.] 
Subfamily ELASMIN Ai. 
Head subglobose: front sparingly but strongly punctate. Funicle 
of antenne 3-jointed. Thorax: Pronotum short, parapsides not distin- 
guishable, mesoscutellum depressed, metascutellum membraneous white. 
Wings narrow, marginal vein long, stigmal very short, almost punctiform, 
postmarginal distinct. Abdomen sessile, with a compressed venter. 
Legs .becoming gradually longer and stronger; posterior coxe very 
large, tibiz 2-spurred at tip. Antenne of the male with three branches- 
