246 AMERICAN HYMENOPTERA. 



MEGASTYLUS Schiodte. 

 (Mag. Zool. Ins. pi. vi. 1839.) 

 9Iegaslylus albocollaris Cress. (Mesoleptus), Traus. Am. Ent. Soc. ii, 100. 

 Orthocentras albofasciatus Prov.. Faune ii. 800, $> . 

 % 9 . — 4 mm. ( 9 ) to 6 mm. ( % ). Black or piceous, with legs brownish yellow ! 

 pleuriB, prothorax and face in 9 I'nfous. in % the prothorax and face, including 

 mouth-parts, are yellow ; scutelluin and mesonotum rufo-piceous ; abdomen with 

 the third segment in 9 i^nd third and fourth in % , yellow; antennae long, slen- 

 der, tapering, pale brown, with scape large, oval, yellowish ; segments of llagellum 

 numerous, short and with whorls of hair on apical portion of each segment ; 

 wings subhyaline, iridescent, nervures and stigma yellowish brown; areolet 

 wanting; stigma broadly lanceolate ; second recurrent n6rvure straight, located 

 obliquely ; humeral cross nervure not broken ; head small, globular, protruding 

 beneath; clypeus large and long, arched : palpi long and slender; mesothorax 

 with head polished, pilose; no parapsidal grooves; metathorax coarsely sha- 

 greened and with the two transverse cariuse ; abdomen petiolate. shagreened, 

 depressed; slender in '^ , much broadened toward apex in 9; petiole slightly 

 curved and widened toward apex, spiracles situated near the middle ; ovipositor 

 small, visibly exserted ; legs long and slender, femora cylindrical, tibiae narrowed 

 at base, tarsi tapering. 



Three specimens from Illinois; Canada, Prov. (type, coll. Araer, 

 Ent. Soc). 



jMegastylus caseyi Ashm. (Spanofecnus) , Trans. Amer. Ent. Soc. xxiii. 196. 



% . — 4 mm. Head and thorax as in albicollaris, except that_ the metapleurae, 

 mesonotum and scutellum are honey-yellow; abdomen not as slender and seg- 

 ments two and three pale yellow. The wings are hyaline, and nervures and 

 stigma darker. 



Type, coll. of Ashmead. 



EUSTERIXX Foerster. 

 (Synopsis der Fam. und Gatt. der Ichneumonen, 1868.) 

 Ensterinx iiegligere n. sp. 



9 . — 4 mm. ; ovipositor .6 mm. Piceous black, with abdomen paler, apical 

 margins of segments reddish margined with white ; scape, mouth-parts, tegulse 

 and legs honey-yellow, with a whitish cast: scutellum and humeral margins 

 reddish ; antennte slender, brownish red ; wings hyaline, nervures and stigma 

 dirty-yellow ; stigma broadly lanceolate ; areolet wanting, its spa(^e quadrangular; 

 eyes large, coarse ; clypeus broad, reaching from eye to eye, elliptical ; head sha- 

 greened ; thorax punctured and more or less finely reticulate; parapsidal grooves 

 present; metathorax areolated, with plain, small carina; abdomen petiolate, two 

 basal segments strongly aciculate, the others subpolished ; ovipositor ventral, 

 guides large ; legs slender, tibiae constricted at base. 



One specimen from New Jersey (type, coll. Araer. Ent. Soc). 



PKOCL,ITUS Foerster. 

 (Synopsis der P'am. und Gatt. der Ichneumonen, 1868.) 

 Proclitus flagellatus n. sp. 



% . — 3 mm. Black, polished, with legs honey-yellow, mouth-parts, scape be- 

 neath and abdominal segments two and three pale reddish yellow ; face, prothorax 



