208 CHARLES A. BLAKE. 



punctured, lateral carinse edged internally with black ; the remaining segments 

 clothed with dense, coarse, black pubescence. Length 11 mm. ; expanse of wings 

 21 mm. 



Hab. — Texas. 



In some specimens the disc of the petiole is dark rufous. 



Sphserophthalma peinisylvanica St. Farg. 



Male.— Head and thorax reddish, clothed with black hairs ; antennae black ; 

 abdomen black, clothed with black hairs ; first segment globose, ferruginous, its 

 apical margin black ; the second segment ferruginous, its apical margin black, 

 nearly naked ; legs black, clothed with black hairs ; wings blackish violet, first 

 submarginal cell with a transverse, transparent line, descending in an angle from 

 the costa, after which it traverses the second submarginal, and joining a rather 

 large transparent spot, common to the third submarginal and third discoidal 

 cells, this last cell strongly narrowed towards the marginal. Length 18 mm. ; 

 expanse of wings 29 mm. (St. Farg.) 



Hab. — Pennsylvania. 



SpliaM'oplitlialma auripilis Blake. 



Male. — Dark ferruginous, head quadrate, posterior angles rounded, closely and 

 finely punctured, thinly clothed with scattered black hairs ; scape of antennae 

 dark rufous, flagellum rufo-piceous ; mandibles ferruginous, tipped with black ; 

 eyes prominent, round, polished; thorax elongate, narrowed behind, closely re- 

 ticulated, very thinly clothed with dark hairs, posterior margin of prothorax 

 carinate ; mesothorax elevated, having four shallow, longitudinal grooves on the 

 disc ; metathorax gradually rounded, having a distinct suture in front ; wings 

 moderate, fuliginous, marginal cell lanceolate, first submarginal small, narrow, 

 second large, subquadrate, receiving the first recurrent nervure before the mid- 

 dle, third obsolete, not extending as far as the marginal, a hyaline streak passing 

 from the costa through the first and second submarginal cells, terminating in a 

 patch of the same, below the third ; legs black, clothed with pale glittering hairs ; 

 abdomen elongate ovate, basal segment dark ferruginous, with the apical margin 

 black, closely reticulated, clothed with scattered pale hairs ; second segment 

 dusky fulvous, finely punctured, clothed with erect fulvous hairs ; apical margin 

 blackish ; the remaining segments blackish, very finely reticulated, clothed with 

 golden fulvous pubescence ; lateral carinas distinct. Length 14 mm. ; expanse 

 of wings 25.5 mm. 



Hab. — Texas. 



Splueroplitlialma Eclwardsii Cresson. 



Male. — Elongate, slender, uniformly rufo-fulvous, densely and rather coarsely 

 punctured, more feebly on the abdomen, clothed with short, erect, tolerably 

 dense, golden fulvous pubescence ; tips of mandibles and third and following 

 joints of antennae black; metathorax coarsely reticulated ; wings blackish fus- 

 cous, with a hyaline spot beneath third submai'ginal cell ; abdomen shining. 

 Length 13 mm. (Cresson.) 



Hab. — Oregon. 



In one specimen the head, sides of thorax and first and second 

 abdominal segments are nigro-castaneous. 



