244 



trochanters, anniilns at base of lilnd tibi;e, tibial spurs and anniili at base of bind 

 tarsal joints, white; tip of hind femora, their tibiie and tarsi, except already noted, 

 fuscous; llagelluin brown; base of second abdominal segment and apical margins of 

 second and following segments narrowly red. 



Head transverse, a little wider than the thorax, the clypeus only separated at 

 sides, truncate anteriorly ; antenute 21-jointed, the lirst and second flagellar joints 

 about equal, the following gradually becoming shorter ; thorax subovoid, the sides of 

 collar rugulose, the mesonotum as broad as long, with the parapsidal furrows indi- 

 cated by depressions only anteriorly but not sharply defined ; mesopleura highly 

 polished, sejiarated from the juesopectus by a longitudinal crenate furrow and from 

 the metapleura by a row of coarse punctures; metanoruni sliort, rugulose, rather 

 abruptly truncate behind and distinctly areolated; wings hyaline, the stigma and 

 venation, except a spot at base of stigma and tlie veins toward base of wings which 

 are white, brownish-black ; the radial cell terminates half way between the stigma 

 and tip of wing, while the areolet is large, pentagonal in position, but with the outer 

 nervure wanting; abdomen a little longer than the head and thorax united, black, 

 punctate, with the base of second segment and the apical margins of all the seg- 

 ments, except the first, narrowly red ; petiole, or first segment, 1| times as long as the 

 second, shining, but with coarse although shallow punctures on the dilated portion, 

 smoother toward base; body of abdomen sparsely pubescent, the venter ferruginous 

 with two longitudinal folds. 



Habitat. — Utica, Miss. 



Described from 1 $ specimen, bred August 7, 1893, from tlie cocoon, 

 of Chrysopa ocnlata Say. 



Otacustes atriceps sp. n. 



Female. — Length 3 ™n\ ; ovipositor 0.8 mm. Brownish yellow; the head, antennae, 

 from third joint, and ovipositor, black ; clypeus, mandibles, and base of antenuiP, fer- 

 ruginous; hind tibitB outwardly toward tips and their tarsi, slightly obscured or 

 dusky. 



Head transverse, a little wider than thorax, opaque, finely closely punctulate, the 

 cheeks very narrow, polished, the face finely sericeous; clypeus transverse, entirely 

 separated; autennse 25-jointed, the first three joints of flagellum nearly of an equal 

 length, the following gradually shortening; thorax subovoid, about twice as long 

 as wide, the prothorax at sides rugulose ; mesonotum a little wider than long, 

 punctulate, opaque, the parapsidal furrows only slightly indicated by depressions 

 anteriorly; scutellum triangular, smooth, carinate at sides by the extension of the 

 mesothoracic ridges; mesopleura smooth on disk and separated from the meso- 

 sternum by an indistinct longitudinal depressed furrow below its middle, the portion 

 below the furrows slightly aciculated; metathorax short, obliquely truncate poste- 

 riorly and distinctly areolated, the surface of the areas moreor less distinctly rugulose; 

 wings hyaline, the teguhe, a spot at base of stigma and veins toward base of wings, 

 whitish, the stigma and veins otherwise dark fuscous; the radial cell terminates 

 half way between the stigma and tip of wing, the areolet being large and pentagonal, 

 but with the outer nervure wanting; abdomen ovate, petiolate, very little longer 

 than the bead and thorax united, the petiole polished with some punctures toward 

 the sides of the dilated apex, segments two and three finely punctate, the follow- 

 ing smooth, impunctate. 



Hahitat. — Utica, Miss. Described from 1 2 specimen, bred August 

 17, 1S93, from the cocoon of Chrysopa ocnlata Say. 



The family Chalcidid?e is without doubt the most extensive in the 

 order Hymenoptera, and the species composing it are of incalcuhible 

 value to the farmer and fruit-grower iu destroying the more injurious 



