INSECUTOR INSCITI.B MENSTRUUS 37 



as long as broad ; 3 clavate, fully 2.5 times as long as wide, 

 sinuate on inner side, pedicel curved outward ; 4 clavate, nar- 

 rowed at apex, about equal in width to 3, broadest in advance 

 of middle, about 2A times as long as wide ; 5 similar in form 

 to and slightly narrower than 4, about 2.7 times as long as 

 wide; 6 truncate-fusiform, wider in apical third, about 2.75 

 times as long as wide ; 7 slightly shorter and narrower than 

 6, wider toward base, about 2.6 times as long as wide ; 8 

 subconical, truncate, slightly narrowed at extreme base, near- 

 ly three times as long as greatest width ; segments 1 and 2 

 concolorous with body ; 3 yellow, darker apically ; 4-6 yellow, 

 shaded with brown in apical half or two-thirds ; 7 and 8 brown, 

 the base of former pale ; sense cones : 3, 1-2 ; 4, 2—2 ; 5, 1-1+^ ; 

 6. 1-1+^; 7 with one on dorsum near apex. Mouth cone long, 

 pointed, attaining mesosternum, the acute labrum surpassing 

 labium. 



Prothorax slightly less than 0.6 as long as head and (inclu- 

 sive of coxae) about 2.3 times as wide as long; pronotum 

 about as closely and strongly reticulate as the head, anterior 

 and posterior margins concentric ; all usual bristles present, 

 dilated at tip, those at the posterior angles longest and about 

 equal in length to postoculars. Pterothorax very slightly wider 

 than prothorax. Wings slightly yellowish, darker at middle ; 

 fore pair with 15 or 16 accessor^' hairs. Legs slender; fore 

 tarsus with a stout curved tooth which is slightly shorter than 

 width of tarsus. 



Abdomen very slightly broader than pterothorax. Tube 

 about half as long as head, about 2.3 times as long as basal 

 width, and a little more than half as wide at apex as at base, 

 sides slightly concave. Lateral bristles knobbed, yellowish ; 

 segment 9 with the lower lateral pair pointed and the upper 

 lateral and dorsal one dilated at apex ; terminal bristles nearly 

 1.5 times as long as tube, brown. 



Measurements of holotype: Length 1.99 mm.; head, length 

 0.355 mm., width 0.236 mm.; prothorax, length 0.202 mm., 

 width (inclusive of coxae) 0.464 mm.; pterothorax, width 

 0.480 mm. ; abdomen, width 0.511 mm. ; tube, length 0.180 

 mm., width at base 0.078 mm., at apex 0.044 mm. 



