372 



PSYCHE. 



[July 1S90. 



rhinarium brownish in the middle ; 

 front advanced semicircular, somewhat 

 flattened above, roughly punctated, 

 slightly villous with pale hairs, front 

 edge blunt ; antennae blackish brown ; 

 between front and ocelli blackish ; ver- 

 tex short, transversal, rounded, roughly 

 punctated with brown hairs ; occiput 

 yellow, rather pointed before ; dilated 

 posteriorly, rounded, impressed behind ; 

 eyes large, blackish, brown behind, with 

 long white hairs; prothorax black, pos- 

 terior lobe yellow, large elliptical ; tho- 

 rax villous, transversally finely striated, 

 shining ; dark brown, sinus yellowish 

 brown, the same color shaded down 

 somewhat on each side before the sinus ; 

 part of the lateral sutures and some not 

 well-defined spots near the legs black ; 

 beneath pale brown with large blackish 

 spots behind the legs ; abdomen short 

 slightly villous, slender, cylindrical, the 

 base enlarged ; blackish brown, seg- 

 ments 1-9 with an apical yellow trans- 

 versal band with the basis on the third 

 segment, and is nearly separated in the 

 middle of segments 8 and 9 ; segment 

 10 as long as the 9th, convex above, 

 with a basal median impression, black, 

 shining ; apical border straight slightly 

 bent up ; abdomen blackish beneath, the 

 border of the segments somewhat paler 

 in the middle, and on each side of seg- 

 ment three ; second segment contracted 

 in the middle, on each side with a large 

 yellow earlet, rounded externally, point- 

 ed behind. Superior appendages a lit- 

 tle longer than the last segment, separat- 

 ed at their basis, approached at their 

 tips, straight cylindrical, the basal third 



flattened interiorly ; after the first third 

 externally below a small tooth and fol- 

 lowing to the tip inferiorly are six smal- 

 ler ones ; tip rounded with the appear- 

 ance of a small soft point ; inferior ap- 

 pendage a little shorter, triangular, 

 strongly recurved, the point truncated ; 

 the appendages are black, hairy, the su- 

 periors pale brown on the tip, the infe- 

 rior in the middle ; genital lobe of the 

 second segment triangular elongated ; 

 hooks long, bent, yellow, narrowed and 

 brown on the tip ; the spoon shaped el- 

 evator of penis enlarged on tip, yellow- 

 ish. Legs black, moderately long, the 

 hind ones passing the 3d segment of ab- 

 domen ; femora below rough, a large 

 number of very short teeth ; tibiae with 

 black cilia ; claws of tarsi unequal, the 

 apical longer ; femur of fore leg with a 

 little brush on tip; tibiae of fore legs 

 with the membnmous plate ; wings hya- 

 line, a small yellow spot on the extreme 

 base of all ; veins black, costa yellow ; 

 pterostigma yellow, small, the external 

 side more oblique ; antecubitals 7 » post- 

 cubitals •)-(> ; all triangles without trans- 

 versals ; there is no inner triangle on the 

 hind wing ; one series of discoidal cells, 

 the apical half beginning with two, 

 later more ; hind wings with the inner 

 angle nearly rounded : anal triangle 

 broad, with a transversal vein before the 

 tip ; membrane large, grayish white, 

 ending on the transversal vein of the 

 anal triangle. 



Female. Similar to the male ; the 

 abdomen a little stouter, more enlarged 

 at base, less reti acted on the 3d seg- 

 ment, no earlets, but the place a little 



