222 CHARLES A. BLAKE. 



metathorax abruptly rounded, coarsely punctured ; wings dark fuscous, marginal 

 cell small, abruptly truncate at tip ; first submarginal larger than the marginal, 

 second subtriangular, receiving the first recurrent nervure, near the first sub- 

 marginal, third distinct and extending beyond the marginal ; legs black, with 

 black hairs ; abdomen ovate, basal segment clothed with erect black hairs ; ab- 

 domen ovate, basal segment clothed with erect black hairs, apical half of second 

 and the following segments clothed with long, coarse, scarlet pubescence ; under 

 side black, shining. Length 11 mm. ; expanse of wings 20 mm. 



Female.— Same as the male, with the exception of the second segment of the ab- 

 domen being entirely covered with coarse scarlet pubescence. Length 8.5-13 mm. 



Hab.— California. (Mr. Iiilich.) 



Closely allied to fulvohirta Cresson, but may be distinguished by 

 the marginal cell being smaller and the clothing much coarser. 



Spluoroplitlialma pulclira Smith. 



Female. —Black ; head small, narrower than the thorax and densely clotbed 

 with bright golden pubescence ; thorax deeply notched at the sides and having a 

 transverse curved fascia of golden pubescence a little beyond the middle ; the 

 thorax beneath and the legs have a pale ochraceous glittering pubescence ; ab- 

 domen : the second segment has on each side at its base a large angular macula, 

 and towards its apical margin on each side a transverse, oblong, subovate macula 

 of reddish yellow; the three apical segments clothed with golden pubescence, 

 the fifth having on each side a mixture of black and fuscous hairs. Length 19 

 mm. (Smith.) 



Hab. — Mexico. 



Sphseroplithalma Sumichrasti Sauss. 



Male.— Head and thorax black, clothed with ochraceous pubescence, nieso- 



thorax black ; wings hyaline, clouded at apex, marginal cell short, truncate at 



tip; abdomen above clothed with scarlet pubescence, apex black; eyes round. 



Length 13 mm. ; expanse of wings 17 mm. 



Female. — Head subquadrate, posterior angles rounded, clothed with dense 



ochraceous pubescence ; eyes round, convex, polished ; antennae black ; 



thorax short, subquadrate, somewhat wider than the head, narrowed 



posteriorly, disc clothed with black pubescence, margined laterally 



and posteriorly with ochraceous ; legs black, clothed with yellowish 



hairs ; abdomen ovate, second segment clothed with dense ochraceous 



^— ^ pubescence, having on the disc a bilobate patch of black, somewhat 



vjHR 7 resembling a horseshoe in form, extending to the anterior margin, 



^r third and fourth segments with black pubescence, the remaining ones 



ochraceous, apex black. Length 8.5-13 mm. 



Hab. — Mexico. 



Spha?roplitlialma militaris Smith. 



Female.— Bright brick-red; the head, legs, basal segment of the abdomen, a 

 trilobate spot at the base of the second segment, an angular one on its apical 

 margin, and also the four apical segments, black ; all the black parts of the insect, 

 except the legs, are clothed with black pubescence, on the legs and the red por- 

 tions it is griceous. Length 13 mm. (Smith.) 



Hab. — Jamaica. 



