252 CHARLES A. BLAKE. 



base of the secf)iid, from whioli a narrow Hue emanates and unites with a broad 

 fascia near the apical margin of the same segment of bright golden colored \m- 

 hescence ; from the transverse fascia a line of similar pubescence runs longitu- 

 dinally to the apex. Length 6.5-8.5 mm. (Smith.) 



Hab. — ^Mexico, Orizaba. 



^iphteroplitlialiua pet ricola Blake. 



Female.— Head cjuadrate. wider than the thorax, finely punctured, having a 

 thin scattered pubescence; antennae: scape aud first joint of flagellum ferrugin- 

 ous, remaining joints piceous; mandibles ferruginous, tips black; eyes round, 

 polished ; thorax short, closely punctured, con.stricted before the metathorax, 

 which is abruptly truncate, sides deeply impressed, shining; legs pale ferrugin- 

 ous, thinly clothed with shining hairs, intermediate and posterior tibite armed 

 with spines, calcaria white ; abdomen ovate, basal segment fringed with golden 

 pubescence, second .segment dark chestnut brown, having a transverse band of 

 golden pubescence before the apical margin, remaining segments ferruginous, 

 fringed with pale golden hairs; under side paler than above, shining. Length 

 6.5 mm. 



Hab. — Mexico. Prof. F. Sumichrast. 



Spliferoplithaliiia pra^elara u. sp. 



Female. — Ferruginous; head transversely sul)quadrate. wider than the thorax, 

 posterior angles subacute, clothed with appressed, glittering, pale, golden pubes- 

 cence ; antenna? aud mandibles ferruginous, tips of the latter black ; eyes round, 

 polished ; thorax short, abruptly narrowed behind the middle aud obliquely 

 truncate, posteriorly dark ferruginous, finely rugose ; prothorax thinly clothed 

 with erect, blackish hairs, metathorax with pale hairs; legs pale ferruginous, 

 thinly clothed with pale glittering hairs ; intermediate and posterior tibise armed 

 with spines ; abdomen ovate, basal segment small, sessile with the .second, its 

 apical mai'gin at middle testaceous, second segment ferruginous, sparsely clothed 

 with short, pale golden pubescence, its apical margin and remaining segments 

 blackish, third and fourth segments fringed with silvery pubescence ; ventral 

 surface finely and remotely punctured, the pubescence longer than above. Length 

 8 mm. 



Hab. — Arizona. 



Allied to ;S'. cruciata Smith, but may be readily separated by the 

 abdomen being ferruginous, whereas in that species it is black. 



Nphierophtlialnia aiiripe»« Blake. 



Female. — Head rounded, finely i)unctured, dark ferruginous, vertex and cheeks 

 tliinly clothed with tine, pale, golden pubescence; antenufe : scape and first joint 

 of flagellum ferruginous, remaining joints piceous ; mandibles dark ferruginous, 

 tips black; eyes round, prominent; thorax coarsely reticulate, rounded in front, 

 constricted before the metathorax, which is abruptly truncate, dark ferruginous, 

 sides of metathorax deeply impres.sed, shining; legs ferruginous, clothed with 

 scattered, glittering hairs; knees black, intermediate and posterior tibife armed 

 with a row of spines ; tarsi clothed with pale golden pubescence ; abdomen ovate, 

 dark ferruginous, closely punctured, basal segment small, the apical margin on 

 the disc clothed with golden pubescence, second segment with a fascia of golden 



