242 CHARLES A. BLAKE. 



hairs, calcaria whitish ; abdomen ovate, the second segment having on the disc 

 near apical margin two large subquadrate patches of pale ferruginous and occa- 

 sionally two small spots of the same color at basal margin ; apical margins of all 

 the segments fuscous, third, fourth and fifth fringed with pale silky pubescence. 

 Length 6.5-9 mm. 



Hab. — Atlantic States. 



This is very near to mutata, from which it differs by its much 

 smaller size, by the second abdominal segment having generally only 

 two large, subquadrate, or ovate, pale, ferruginous spots, and by the 

 thorax being slightly longer and narrower posteriorly. 



SpliH^roplithalina balteola Blake. 



Female. — Ferruginous ; head rounded, closely covered with confluent punc- 

 tures, mandibles blackish at tips ; antennae fuscous ; eyes small, round, polished ; 

 thorax elongate ovate, narrowed posteriorly, sides armed with two small tuber- 

 cles, sparsely clothed with short pale haii-s; legs fuscous, or blackish, thinly 

 clothed with pale hairs ; abdomen elongate ovate, the basal segment clothed on 

 middle of disc and apical margin with pale pubescence, second segment closely 

 and finely punctured, the posterior margin stained with darker color and fringed 

 with white pubescence, remaining segments blackish, clothed with black hairs, 

 apex with pale pubescence ; under side paler. Length 6.5-11 mm. 



Hab. — Atlantic States, Texas. 



This species varies considerably in size. Easily recognized by the 

 continuous pure white fringe at apical margin of second abdominal 

 segment. 



DIVISION 11. 



First abdominal segment gradually dilated to apex, as represented 

 by figures 15 and IB. 



Fig. 15. Fig. 16. 



i^phsproplitlialuia propiiiqua C'resson. 



3Iale. — Black, closely punctured, somewhat shining, clothed with black pubes- 

 cence; vertex tinged with rufo-piceous and clothed with golden pubescence; 

 eyes small, round, entire and convex ; antennse black, subsericeous ; thorax black, 

 with black pubescence ; the prothorax above, the mesothorax and scutellum ru- 

 fous, clothed with long golden pubescence ; metathorax black, rounded behind, 

 with large, coarse punctures and sparse black pubescence ; tegulse black, punc- 

 tured ; wings dark fuscous, paler about the middle ; marginal cell large, rather 



