232 CHARLES A. BLAKE. 



Spluerophthalma Wilsoni Cresson. 



Male.— Deep shining black; head small, subglobose, rather densely clothed 

 with silvery cinereous pubescence; eyes small, rounded, prominent and olive- 

 green ; antennae black ; thorax closely punctured, the prothorax broad and rather 

 densely clothed with silvery white pubescence as well as the pleura ; mesothorax 

 deeply punctured, clothed with short black pubescence ; scutellum clothed with 

 long cinereous pubescence, with its anterior margin flattened, smooth and shin- 

 ing, and armed on each extreme side with a stout tooth, obtusely bifid or con- 

 stricted at tip ; postscutellum silvery on the middle and sides ; metathorax cov- 

 ered with numerous interlacing, well defined carinae with appressed, silvery 

 white pubescence ; tegulae black, polished ; wings hyaline, the anterior pair with 

 a median transverse band, and the apical fourth dark fuscous ; nervures blackish, 

 marginal cell short, truncate at tip ; two complete submarginal cells, the second 

 largest and receiving the first recurrent nervure near the base ; posterior wings 

 hyaline, slightly dusky at tips ; legs slender, black, clothed with whitish pubes- 

 cence ; apical spurs of four posterior tibiae long and whitish ; abdomen black, the 

 first segment small, narrow at base and swollen at tip, roughly punctured, with 

 a small tubercle on each side of the base and middle ; apical margin densely 

 clothed with silvery white pubescence ; second segment large, convex, shining 

 black, finely punctured, clothed with black pubescence, the basal third with 

 silvery white pubescence ; third and fourth segments densely clothed with silvery 

 white pubescence, the remaining segments with dense black pubescence. Length 

 9.5 mm. ; expanse of wings 18 mm. (Cresson.) 



Hab. — Cuba. 



Sphserophthalma azteca Blake. 



Male. — Black ; head not as wide as the thorax, subquadrate, clothed with dense, 

 pale golden pubescence; antennae and mandibles black ; eyes round, prominent; 

 thorax robust, narrowed posteriorly, pro- and mesothorax rugose, the former with 

 pale golden pubescence, the latter elevated, metathorax coarsely reticulated, ab- 

 ruptly truncate behind ; wings fusco-hyaline, marginal cell short, abruptly trun- 

 cate at tip, first submarginal about as large as marginal, second receiving the first 

 recurrent nervure a little before the middle, third about equal to the second 

 and extending a little beyond the marginal ; legs petiolate coarsely punctured, 

 clothed with scattered, erect, whitish hairs; second segment rugulose, with a 

 broad band of pale golden pubescence at the base, posterior half clothed with 

 black, third and fourth segments clothed with pale golden pubescence, apex black ; 

 under side of second segment finely punctured, thinly clothed with pale hairs ; 

 margins of ventral segments fringed with pale golden pubescence. Length 12 

 mm. ; expanse of wings 16 mm. 



Hab. — Mexico. Prof. F. Sumichrast. 



This species is closely allied to Wilsoni Cresson, but may be distin- 

 guished by the large size of abdomen and the clothing, which is much 

 more dense, and the clouding of the wings, which is more suffused ; 

 the margins of the fuscous portions in Wilsoni being sharply defined. 



Spliaeroplitlialma moiitezuma? Spin. 



Female. — Head black, with black hairs, front and vertex clothed with depressed 

 reddish golden pubescence ; antennae black ; thorax black, with black hairs, the 

 dorsum clothed with depressed reddish golden pubescence ; abdomen black, ven- 



