202 CHARLES A. BLAKE. 



transpareut liue extending in an angle to the costa ; second and third submar- 

 ginal and third discoidal cells having a similar line. Length 16 mm. ; expase of 

 wings 24 mm. (St. Farg.) 



Hab. — Pennsylvania, Atlantic States. 



DIVISION II. 



Neuration of anterior wing as represented by figure 6 ; the first 

 abdominal segment small, subnodiform, or cylindrical as in figures 

 7 and 8. 



Fig. 6. Fig. 7. Fig. 8. 



Miitilla scrupea Say. 



Male. — Black ; head and thorax covered with coarse continent pimctiu'es, 

 thinly clothed with scattered, pale yellowish hairs ; anteunse and mandibles 

 black ; eyes ovate, emarginate ; thorax : anterior angles of prothorax subacute 

 sutures of the meso- and metathorax deeply impressed, the latter very coarsely 

 reticulate ; wings subhyaline, apical margins slightly clouded, marginal cell sub- 

 lanceolate, first submarginal small, second large, receiving the first recuiTent 

 nervure near the apex, third irregularly pentagonal, its anterior angles with 

 short nervures, second discoidal cell large ; legs black, thinly clothed with glit- 

 tering hairs ; abdomen ovate, basal segment short, armed on each side at its base 

 with a stout tooth, the under side having a longitudinal carina, terminating an- 

 teriorly in a tubercle ; second segment covered with large, deep punctures, apical 

 margin fringed with silvery pubescence ; the remaining segments having a few 

 scattered, short, silvery hairs ; under side same as above ; lateral sutures distinct. 

 Length 9 mm. ; expanse of wings 16 mm. 



Hab. — Eastern States. Collection of Mr. Edward Norton. 



]?lutilla gracilis Smith. 



Male. — Black; head clothed with silvery pubescence: wings hyaline, apical 

 margin clouded, marginal cell elongate ovate ; first and apical margin of second 

 abdominal segment clothed with silvery pubescence ; eyes emarginate. Length 

 7 mm. ; expanse of wings 13 mm. (Smith.) 



Hab. — Texas, Mexico, Brazil. 



iVIiitilla ciibensis Blake. 



Female. — Eufo-testaceous ; head rounded, clothed with dense, pale golden pu- 

 bescence; scape of autennte rufous, flagellum piceous ; eyes ovate, prominent; 

 thorax elongate ovate, narrowed posteriorly, coarsely punctured, meso- and 

 metathorax armed at the sides with a tooth, those on the latter acute, metathorax 

 roundly truncate; legs rufo-testa:'eou=;, the intermediate and posterior tibiae 



