from the Amazons &c. 611 



greeni'sli yellow ; abdomen testaceous yellow, with tlie sutures, 

 the carinae, and a lateral band bifid in front and interrupted 

 on the hinder half of the segments, black ; the last four 

 segments (except a short testaceous lateral line at the base of 

 the first of these) wholly blacii, by the gradual widening 

 of the black band over the dorsal carina, and the lateral 

 black bands ; anal appendages a little longer than the ninth 

 segment, yellow ; the lower appendage almost as long as the 

 upper ones, and narrowly bordered with black. Wings 

 hyaline, one cross-nervule on the lower basal cell ; triangles 

 free ; no supra-triangular nervules : fore wings with 8-9 

 antenodal cross-nervules, the last not continuous, and 6-8 

 postnodals, the first two not continuous ; subtriangular space 

 consisting of 3 cells (rarely 2) ; two rows of post- triangular 

 cells, increasing ; base of fore wing stained with brown on 

 the inner margin as far as the first cross-nervure : hind wings 

 ■with the sectors of the triangle separated at the base ; base of 

 hind wings stained with brownish testaceous for two fifths of 

 the distance from the base to the triangle ; this space is 

 traversed by thick black nervures, and is bordered with 

 blackish. 



Female (?) yellow, the lower border of the clypeus (broadest 

 on the sides) and the mandibles and central line of the 

 mentum black ; antennal tubercle and centre of vertex 

 metallic blue ; a yellow spot in front of the eyes at the base 

 of the antennal tubercle on each side. Thorax orange-yellow, 

 with the carinse reddish brown ; a large yellow spot in front 

 above the angulated carina ; prothorax yellow above, with 

 the sides black ; front of mesothorax yellow along the median 

 line, and mottled with reddish brown on each side of it ; inter- 

 alary space yellow, the sutures narrowly black and the sides 

 spotted with black ; base of abdomen yellow, the sutures and 

 carinfe at first reddish, but those at the end of the second 

 segment and on the third segment black ; the remaining 

 segments black, the fourth with a long yellow lateral stripe, 

 broad at the base, the fifth with a long stripe, the sixth with 

 a wedge-shaped one, and the seventh with a broad one, 

 nearly meeting on the back. Anal appendages yellowish or 

 buff. Legs black ; front femora beneath, and base of the other 

 femora beneath, yellowish. Wings hyaline, stained with 

 yellow at the basej fore wings with 10 antenodal and 7-8 

 postnodal cross-nervules ; triangle of fore wings traversed ; 

 otherwise the wings are as in the male. 



AV. end of Parana de Buyassu, Jan. 16 ; Obydos, Feb. 2 ; 

 Breves, March 1, 1896. 



Differs a little from typical Micrathyria in the abdomen 



