BIOLOGICAL PAPERS. 275 



somewhat ferruginous tint; extreme base and apical half of abdomen blackish; 

 tarsi blackish. 



Type: University of Kansas. Type locality : Douglas county, Kansas. One 

 specimen. June, E. S. Tucker. 



Apanteles congregatus Say. 



Douglas county, Kansas, 900 feet; June, bred from host on blade of grass; 

 E. S. Tucker. 



Apanteles congregatus Say var. hemileucae Riley. 



Douglas county, Kansas, November; bred from cocoon mass on willow leaf; 

 E. S. Tucker. 



Cardiochiles seminigrum Cresson. 



Hamilton county, Kansas, 3350 feel; June, 1902, F. H. Snow. 

 Female. — Length, 5 mm. 



Cardiochiles nigroclypeus, n. sp. 



A variable species in size and sculpture. Related to abdominalis, from which 

 it is readily separated by the smooth polished face and entirely black head. 



Male. — Length, 6.5 mm. Head polished, rather sparsely punctured with 

 small punctures; scape nearly as long as the first and second joints of the flagel- 

 lum combined, pedicellum inconspicuous, first joint of the flagellum distinctly 

 longer than the second, the second and succeeding joints subequal; antennae 

 thirty-five jointed. Thorax polished, almost impunctate except on the impressed 

 portions of the pleura; metanotum sparsely rugose, the area not sharply defined, 

 imperfectly quadrangular, more nearly egg-shaped; wings brownish, nervures 

 and stigma dark brown. Abdomen smooth and shining. Black; mandibles 

 tipped with brown; legs, excepting cox;i? and trochanters, and abdomen ferru- 

 ginous; apical tarsal joints of anterior legs, tarsal joints of middle legs, apex of 

 posterior tibiie, tarsal joints of posterior legs and claspers at tip of abdomen dark 

 brown to black. 



Type: University of Kansas. Type locality: Morton county, Kansas, 3200 

 feet. F. H. Snow. 



Paratype, 5 mm. long, from Clark county, Kansas. June, 1903, F. H. Snow. 



Paratype about 5 mm. long, with the tip of the abdomen blackish, from Doug- 

 las county, Kansas. 



Microdus nigrotrochantericus, n. sp. 



Female. — Length, 10 mm.; ovipositor, 13 mm. Head polished, face with 

 rather closely arranged small punctures; cheeks more sparsely, minutely punc- 

 tured; front with two shallow impressions below the antennae, one below the 

 other ; clypeus highly polished, very sparsely punctured ; proportions of the 

 joints of the antennas nearly as in the preceding species, antennae forty-four 

 jointed. Thorax sculptured almost exactly as in the preceding species, except 

 the metanotum which is polished, somewhat punctured, a medial longitudinal 

 channel rugulose with a narrow longitudinal convexity; metanotum separated 

 from the metapleura by a rugulose line, the posterior face of the metathorax 

 bounded by a raised line that almost describes part of an octagon ; wings black- 

 ish, very dark ; nervures and stigma black ; first abcissa of the cubitus obsolete ; 

 the second submarginal cell triangular, not petiolate ; hind wings with a closed 

 discoidal cell. Abdomen polished, not sculptured. Thinly sericeous, part of 

 the mesopleura bare. Red; head, antennae, legs excepting posterior femora and 



