NORTH AMERICAN HYMENOPTERA. 239 



Sphaerophthalma 4-guttata Say. 



Female. — Head rounded, as wide as the thorax, ferruginous, finely punctured, 

 clothed with appressed reddish golden pubescence, thinly interspersed with erect, 

 fuscous hairs; antenna? : scape testaceous, finely punctured, clothed with reddish 

 golden pubescence, flagellum fuscous ; base of mandibles testaceous, tips black ; 

 head beneath clothed with long pale hairs ; eyes round, prominent and polished ; 

 thorax ovate, narrowed posteriorly, ferruginous ; closely punctured and clothed 

 with appressed reddish golden pubescence ; metathorax abruptly truncate and 

 having on each side a small, rounded, polished tubercle, and three minute, trans- 

 verse, elevated ridges on the disc; lateral excavations smooth, shining; legs fer- 

 ruginous, clothed with pale glittering hairs ; knees and tarsi fuscous, intermediate 

 and posterior tibia? armed exteriorly with spines ; abdomen ovate, basal segment 

 rufous, or rufo-fuscous, thinly clothed with erect pale hairs ; second segment 

 black, closely and finely punctured, clothed with fine, appressed, black pubes- 

 cence, and having two large, ovate, fulvous spots before the apical margin and 

 two of the same color, but smaller, at the basal margin , remaining segments 

 black, having the apical margins fringed with pale yellowish pubescence ; ven- 

 tral surface of second segment testaceous. Length 9-14 mm. 



Hab. — Texas. 



In some specimens the basal abdominal segment is black, and with- 

 out the two fulvous spots at basal margin of second segment. 



Spli%i*ophthalma frigicla Smith. 



Female. — Ferruginous, closely punctured ; head subquadrate, wider than the 

 thorax : the flagellum, except the three basal segments, the eyes and tips of the 

 mandibles fuscous ; thorax oblong quadrate, very slightly narrowed posteriorly, 

 the tibia?, and femora fuscous ; their base, the tarsi and coxa? pale ferruginous : 

 abdomen : the four apical segments and the apical margins of the two basal ones 

 rufo-piceous, the marginal band on the second segment produced into an angular 

 shape in the middle ; the margins of the four apical segments ciliated with cine- 

 reous hairs. Length 4.5 mm. (Smith.) 



Hal). — Arctic America (the Great Bear Lake). 



Sphrerophthalma cypris Blake. 



Female. — Dark ferruginous ; head round, as wide as the thorax, closely punc- 

 tured, mandibles and antenna? black ; eyes round, convex ; thorax elongate ovate, 

 closely covered with confluent punctures, slightly constricted behind the middle, 

 with a small tubercle in the constriction ; metathorax roundly truncate ; legs 

 testaceous, knees black, thinly clothed with pale hairs, intermediate and posterior 

 tibia? armed with long spines ; abdomen elongate ovate, basal segment fringed 

 with pale golden pubescence ; second segment covered closely with elongate 

 punctures and having four small honey yellow macular two at the base, the others 

 placed a little before the apical margin, which is fringed with pale golden pubes- 

 cence; apical segments blackish, clothed with appressed pale golden hairs ; ven- 

 tral segments same as above. Length 11-14 mm. 

 Hab. — Georgia. 



Sphserophthalma ferrugata Fab. 



Female. — Ferruginous; head round, not as wide as thorax, finely punctured, 

 clothed with fine, appressed, glittering, ferruginous pubescence ; antenna? fuscous 



