Mallopliaga from Birds of Costa Rica, Central America ii 



sliQrt and stout, deep smoky brown, with pitchy editing on ante- 

 rior margins of femora and both margins of til)iae. 



Abdomen ratlier long for the genus, elongate elliptical, with 

 convex lateral margins to segments and projecting rounded pos- 

 terior angles, furnished with one hair in segments four and five, 

 two in six and seven, one in eighth, and one short one on each 

 tip of the short, indented ninth ; a long hair on posterior margins 

 of segments two to six, just within the lateral bands; two short 

 ones in the median portion of posterior margin of segments one 

 to six. and four in the seventh; two in anterior angles of eighth ; 

 broad pitchy lateral bands in segments two to seven, separated 

 by clear posterior angles and projecting into anterior adjacent 

 segments : heavy, dark brown, transverse bands on segments one 

 to six, separated by broad clear sutures; clear pustules at spira- 

 cles in segments two to seven, with pale spots running inward 

 from them for a short distance; pale brown, median, ventral 

 bands connect the ends of the dorsal bands and form a dark spot 

 on segment six; tip of ninth pale brown. 



Male. — Body, length 1.93 mm., width .81 mm.; head, length 

 .yi mm., width .65 mm. ; abdomen much shorter than female and 

 orbicular, with longer, narrower, transverse bands, narrow clear 

 sutures, and the whole median portion obscured by a brown, ven- 

 tral patch; ninth segment larger, ]M"otruding with rounded tip 

 furnished with fourteen long hairs; genitalia short, compact, and 

 Very dark brown ; tip of ninth segment with a crescent-shaped 

 band. 



Two males and two females collected on Rhampliastos tocard 

 at Pozo Azul, Costa Rica, June, 1902. A very striking species, 

 easily recognized by the dark conical head, with emarginate 

 clypeus, and by the heavy bands of the abdomen. 



ISirmus fuscus epustulatus var. iiov. 



Female. — IJody, length 2.15 mm., width .52 mm.; pale yellow 

 golden, with the usual markings of fuscus in the form of heavy 

 complete antennal bands, narrow templar bands, lateral bands on 

 thorax and abdomen, and the heavy, median, transverse bands of 

 the abdomen. 



133 



