248 CHARLES A. BLAKE. 



Nphseroplithalma electra Blake. 



Female.— Head black, subquadrate, posterior angles rounded, closely punctured, 

 vertex clothed with reddish golden pubescence ; eyes round, prominent ; scape 

 of anteuuse castaneous. flagellum piceous; mandibles ferruginous at base, black 

 at tips ; thorax ovate, narrowed posteriorly, bright ferruginous, finely punctured, 

 thinly clothed with reddish golden pubescence, bearing on each side two small 

 tubercles; metathorax coarsely rugose on disc, abruptly truncate; legs black, 

 thinly clothed with glittering white hairs; abdomen ovate, entirely black above, 

 clo-sely and minutely punctured, thinly clothed with black pubescence; under 

 side closely and finely punctured, clothed with silvery pubescence, the margins 

 of the second, third and fourth segments fringed with silvery pubescence, apex 

 black. Length 9-13 mm. 



Hab. — Texas. Two specimens. 



Very distinct by the abdomen being entirely black above and 

 clothed with silvery pubescence beneath. 



Sphferophthaliiia lerina Blake. 



Femtile. — Head subquadrate, wider than the thorax, posterior angles rounded, 

 cheeks produced into an acute tooth, dark ferruginous, vertex thinly clothed 

 with scattered golden pile, interspersed with a few erect hairs ; face, scape of 

 antenuai and mandibles rufous, the latter black at tips ; eyes round, prominent ; 

 thorax finely reticulated, subovate, contracted behind the mesothorax, which, 

 with the anterior angles, is armed at the .sides with a stout tooth, metathorax 

 gradually rounded posteriorly, with a row of small teeth on each side ; lateral 

 declivities polished ; legs rufous, clothed with glittering hairs, intermediate and 

 posterior tibise armed with spines; abdomen ovate, very finely punctured, dark 

 chestnut brown, second segment having a broad band of appressed, bright golden 

 pubescence, posteriorly emarginate, apical margin nearly black ; the remaining 

 segments thinly clothed with bright golden pubescence ; under side jjaler than 

 above, finely punctured, shining. Length (i.5 mm. 



Hab. — Mexico. Prof. F. Sumichrast. 



Allied to denticulata Smith, but may be distinguished from that 

 species by the cheeks being spined, and the absence of the abdominal 

 tubercles. 



Sphaei'ophthalma canadeui^is Blake. 



Feinide. — Fusco-testaceous ; head subquadrate, wider than the tliorax. jiosterior 

 angles acute, finely punctured ; face fuscous; antenme and mandibles pale ru- 

 fous, tips of the latter black ; eyes black, round, polished ; thorax short, quadrate, 

 anterior angles acute, sides crenulated. densely and finely punctured, metathorax 

 roundly truncate ; legs rufo-testaceou.s, thinly clothed with pale glittering hairs, 

 calcaria white ; abdomen ovate, second segment finely punctured, clouded towards 

 the base with dark stains, apical margin and remaining segments dark fuscous, 

 thinly clothed with pale golden iiuhesceiice. Length .'j..^ mm. 



Hab. — Canada. 



