55 
lowish at base; head and mesonotum shining, very faintly shagreened ; 
metanotum closely punctulate with areolets faintly indicated; abdomen 
shining, very faintly shagreened; joints 4 and 7 subequal in Length; 
1 to 4 gradually decreasing in length; stigma pitchy black, yellowish 
at proximal extremity. 
Described from three males reared from cocoon masses of Orgyia 
leucostigma. 
Habitat: District of Columbia. 
U.S. National Museum type No. 3515. 
Genus APANTELES. e 
Apanteles Foerster. Verh. d. Naturhist. Ver. d. Preus. Rheinl. u. Westph. 1862, p. 245. 
Apanteles delicatus new species. 
Male.—Length 2.8 mm.; expanse 6.2mm. General color black; all 
legs, except coxie, light reddish-yellow, hind tibiwe somewhat darker 
at the tips; palpi light honey-yellow; face faintly punctate, with a 
slight incomplete median carina below insertion of antennie; clypeus 
regularly rounded; metascutum with faint median longitudinal carina; 
abdomen rather coarsely punctate on first three joints; remaining joints 
smooth; joints 1 and 2 with slight median carina, which is absent in 
joint 3; dorsal plate of first segment with somewhat rounded sides; 
pleura faintly shagreened. 
Described from two males reared from Orgyia leucostigma. 
Habitat: District of Columbia. 
U.S. National Museum type No. 3514. 
Genus PTEROMALUS. 
Pteromalus Swederus. Vetensk. Acad. Handl., 1795, T. 16. 
Pteromalus cuproideus new species. 
Female.—Length 3.5 mm.; expanse 6mm. General color brownish- 
ereen; antennal scape rufous; funicle dusky; all legs except cox 
light honey-yellow; tegulee darker honey-yellow; abdomen and meta- 
thorax concolorous with remainder of thorax and head, except that the 
basal two-thirds of second abdominal segment is blue or purplish, the 
second segment occupying a little more than one-third of the dorsal 
extent of the abdomen; joint 3 as long as 4 and 5 united; 6 and 7 sub- 
equal, longer than 3, the terminal segment conical; head and thorax 
uniformly and rather coarsely punctate; metascutum with median lon- 
gitudinal carina and two curved lateral carina. 
Male.—Difters from female in possessing yellowish antenne with 
scape black at extreme base; color somewhat brassy. 
Described from one male and one female reared from Orgyia leu- 
costigma. 
Habitat: District of Columbia. 
U.S. National Museum type No. 3515. 
Comes closest to Ashmead’s P. acronycte. 
