256 CHARLES A. BLAKE. 



tatc on each side ; tlie metathorax clothed with long white j)ubescence, as well 

 as the intermediate and posterior legs ; the basal segment of the abdomen, the 

 apical margin of the second segment and the third entirely with long white pu- 

 bescence ; the second segment with a large black tuft ; the apical segments en- 

 tirely clothed with black pubescence. Length 11-16 mm. (Smith.) 



Hab. — St. Domingo. 



Splia^roplitlialiiia araiieoidos Smith. 



Female. — Black ; the vertex and a semicircular sjiot on the thorax in front of 

 bright rufo-fulvous pubescence ; the head and thorax beneath with white pubes- 

 cence ; a spot on each side of the metathorax, two ovate ones on the second seg- 

 ment of the abdomen, a narrow fascia on its apical margin, the third segment 

 and the fourth laterally covered with bright, pale, yellowish white pubescence ; 

 the rest of the thorax and abdomen with black pubescence ; the legs have a 

 bright pale pubescence, the posterior femora with black pubescence at their apex. 

 Length 13 mm. (Smith.) 



Hab. — Nicaragua, 8t. Juan del Sur. 



^ipliseroplitlialnia inacrocepliala Smith. 



Female. — Clothed with ferruginous pubescence ; head and abdomen obscure, 

 ferruginous ; thorax black ; head wider than the thorax, subquadrate, the cheeks 

 armed with a sharp spine ; the thorax short, narrowed behind ; the metathorax 

 with black pubescence. Length 14 mm. (Smith.) 



Hab. — Orizaba. 



Sphteroplithaluia inuiiifica Smith. 



Female. — Black, with rusty golden spots ; head narrower than the thorax and 

 covered above with rusty golden pubescence ; beneath, and also on the thorax and 

 abdomen beneath, the pubescence is pale yellowish white : thorax with black 

 pubescence in front and with ru.sty golden behind, the latter partly covering the 

 sides of the truncation, which is black in the middle ; the legs with a whitish pu- 

 bescence ; abdomen with black pubescence and with two ovate, deep, ochraceous 

 maculse at the base of the second segment and two larger ones towards its apical 

 margin ; the maculse with rusty golden pubescence ; the fourth and fifth .seg- 

 ments with ochraceous pubescence in the middle. Length 9-I.t mm. (Smith.) 



Hab. — Mexico. 



Spliseroplitlialma diicalisii Smith. 



Female. — Black, clothed with black pubescence ; the head above and a broad 

 transversse band on the thorax, which curves slightly backwards, of bright gold 

 colored pubescence ; the second segment of the abdomen ferruginous above, and 

 having at its base a large, sultovate, black pubescent macula; also smaller ovate 

 maculpe placed laterally about the middle of the segment, the ai)ical margin of 

 the segment and also the third segment black ; the black bands not usually ex- 

 tending to the lateral margins, which have silvery white pubescence, similar to 

 that which clothes the thorax l)eneath and fringes the segments of the abdomen : 

 the fourth, fifth and sixth segments have golden colored pubescence above, the 

 fifth with more or less of black laterally. Length 1.^-20 mm. (Smith.) 



Hab. — Orizaba. 



