252 AMERICAN HYMENOPTERA. 



One specimen. Dedicated to Dr. Nason, of Algonquin, 111., the 

 collector (type, coll. G. C. D. ). 



Oetophorus stretchii Cress. {MesoJins), Proc. Ac. Nat. Sci. Phil. 1878. 371. 



9 . — 7 nun. Black, with middle of abdomen, mesonotum and antennse piceous ; 

 legs, mouth-parts and scape rufous; wings hyaline, iridescent, nervures, stigma 

 and tegulse yellow. 



What is probably the % of this species differs in having the pice- 

 ous parts less marked ; the face, except median black line, mouth- 

 parts, cheeks beneath, scape beneath and tegulse yellow ; four anterior 

 legs are paler than posterior ])ii\r, hind tarsi and tibise at apex dusky ; 

 veins and stigma brown. 



Female type from California and the male from Colorado (coll. 

 Amer. Ent. S(jc. ). 



Oetophorus osflaviis n. sp. 



9 . —7 mm. Black, with sternum, second abdominal segment and basal half of 

 third rufous; legs and antennse beneatli pale rufous, trochanters yellowish; 

 mouth-parts, cheeks beneath, tegulse and spot before, lemon-yellow ; wings hya- 

 line, iridescent, nervures and stigma nearly black, yellowish at base. 



One specimen from Agric. College, Mich, (type, coll. M. A. C). 



Oetoplioruw ociilatiis n. sp. 



9 . — 7 mm. Eufous, with anterior orbits, clypeus, luouth-parts, cheeks beneath- 

 tegulse, point in front and four anterior trochanters, yellowish white ; wings 

 hyaline, nervures and stigma yellowish brown : eyes small, well set into the head ; 

 ocelli in a black setting: antennse dusky above, reddish brown beneath. 



Seven specimens from Texas (type, coll. U. S. Nat. Mus. and 

 Amer. Eut. Soc). 



SYi^IPHERTA Foerster. 



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



Head and thorax black, abdomen rufous; humeral cross nervure of hind wing 



broken below middle biirrus Cress. 



Head, thorax and abdomen pale brownish yellow ; humeral ci'oss nervure of hind 

 wing broken above middle unicolor Cress. 



Syniplierta biirrii** Cress. {Tri/phon), Trans. Amer. Ent. Soc. ii, 108. 



9 'S---8 mm. Head and thorax black, legs and abdomen rufous; mandibles, 

 palpi and tegulse whitish ; clypeus piceous; antennse reddish brown ; wings sub- 

 hyaline, nervures and stigma brown, pale at base; stigma thick, lanceolate; 

 areolet oblique, petiolate: third discoidal cell short, broad; humeral cross ner- 

 vure of hind wing broken below the middle ; head broad, flat in front, clypeus 

 oval, punctured, scarcely separated from the face, rounded at apex; antennse 

 short and with thickset segments, scape long, large at apex, narrowed at base; 

 thorax pilose, finely punctured, pleurse polished; parapsidal grooves present; 

 metathorax with prominent carinse, the transverse basal carina absent, basal 

 median cell small and long, apical one large; abdomen broad, depressed, widpst 

 on third and fourth segments; ovipositor small, short, curved upward; petiole 



