304 AMERICAN HYMENOPTERA. 



strongly shagreened, but not distinctly punctured ; carinse on metathorax not 

 prominent. 



Four specimens from Canada, Colorado and Delaware (types, coll. 

 Ainer. Ent. Soc). 



Spanotecnus decoloratus Cress. (Mesoleptus), Pr. Ent. Soc. Phil, iii, 265. 

 Ferilissus southwickii Ashm., Trans. Amer. Ent. Soc. xxiii, 196. 

 % 9 . — 7 mm. Black to piceous, with legs, face, antennae, mouth- parts, lower 

 half of cheeks, pectus, tegulse, spot before, another beneath, and abdominal seg- 

 ments 2-4 rufous; wings hyaline, nervures and stigma reddish brown, yellow at 

 base ; first recurrent uervure nearer parallel with the wing than transverse to 

 it; transverse median nervure uniting far back of basal; body polished ; head, 

 thorax and basal segment of abdomen coarsely punctured ; remaining segments 

 of abdomen very finely sbagreened. 



Three .specimens from Illinois (type. coll. Amer. Ent. Soc). 



Spauotecuu!^ obscurellus n. sp. 



V . — 6 mm. Dusky ferruginous, with pro- and mesothorax, occiput, and vertex 

 to base of antennfe, black; broad orbital lines, face, clypeus, mouth-parts, tegulae, 

 spot in front, one beneath and scutellum. yellow ; legs and metathorax ferrugin- 

 ous ; head and mesothorax coarsely punctured ; metathorax and abdomen finely 

 punctured and sbagreened ; basal segment of abdomen not more coarsely punc- 

 tured than the others; wings hyaline, nervures and stigma brown. 



One .specimen from Connecticut (coll. Amer. Ent. Soc). 



Spanoteciius concolor ('ress. (Mesoleptus), Proc. Ent. Soc. Phil, iii, 270. 



'^ 9- — 7-9 mm. Uniform deep reddish brown; body polished ; head, thorax 

 and basal segment of abdomen coarsely punctured ; remaining segments of ab- 

 domen finely sbagreened ; wings hyaline, nervures and stigma brown, yellow at 

 base ; bead strongly oval in front. 



Twenty -five specimen from Massachusetts, New Hampshire, New 

 York, New Jersey, Pennsylvania, Michigan, jNIontana and Idaho 

 (type, coll. Amer. Ent. Soc). 



ECL,YTUS Holmgren. 

 (Monographia Tryphonidum Suecise, 127. 1855.) 



Head buccate, emarginate behind ; eyes small, deep .set, front oval, 

 cly})eus large, elevated, more or less impressed at apex ; teeth of 

 mandibles of equal length ; antennae long and slender. Thorax 

 with parapsidal grooves present anteriorly ; scutellum elevated ; 

 metathorax completely areolated. Abdomen slender, more or less 

 compressed toward apex ; ovipositor short, guides small ; basal seg- 

 ment petiolate, slender, moderately broadened behind spiracles and 

 with faint dorsal carinse. Legs slender ; hind tibise with basal and 

 median constriction ; tibial spurs very short. Wings long, stigma 

 lanceolate, areolet wanting, humeral cross-nervure broken below the 

 middle. 



