18 PROCEEDINGS OF THE NATIONAL, MUSEUM. vol.64, 



half the length of the second segment; fourth ringhke, longer than 

 the third; last segment elongate, slender, elliptical. 



Compound eyes black, not round, slightly projecting; eye separated 

 from lateral margin of head by distance less than (or equal to ?) ^^ 

 its long diameter. Ocelli absent or present, separated from the eye 

 by a distance about equal to the short diameter of an ocellus. 



Labrum and post-clypeus as in L. convexinotatus Snyder. 



Pronotum same color as head, subcordate, indented in middle 

 anteriorly, but slightly emarginate posteriorly, with both long and 

 short hairs. 



Meso- and metanotum not emarginate posteriorly; mesonotum 

 covered by the wing scale. 



Legs light yellow, elongate, slender. 



Wings smoky, costal veins yellow, margins of wings ciliate, tissue 

 punctate, but few hairs on surface of wings; median vein nearer to 

 cubitus than to subcostal vein, cubitus and branches take up a larger 

 area of the wing than in either tenuis or convexinotatus (pi. 3, figs. 

 18-19). 



Abdomen with the tergites slightly lighter colored than the head, 

 ternites paler, densely covered with hairs. 



Measurements. — Length of entire winged adult, 9.5-10 mm.; 

 length of entire dealated adult; 4-5.5 mm.; length of head (to tip of 

 labrum), 1.1-1.2 mm.; length of pronotum, 0.5 mm.; length of hind 

 tibia, 0.800-0.802 mm.; length of anterior wing, 8 mm.; length of 

 wing scale, 0.602-0.606 mm.; width of head (at eyes), 0.78-0.82 

 mm.; diameter of eye (long diameter) (0.16-0.185),** 0.2 mm.; width 

 of pronotum (at widest point), 0.7 mm.; width of anterior wing, 

 1.9-2 mm. 



Soldier. — Head light yellow-brown, lighter posteriorly, not many 

 hairs on head, but a few more than in convexionotatus. 



Antennae light yellow, 15 segments, become wider toward apex, 

 pubescent; first segment long and cylindrical; second shorter; third 

 longer than second, clavate; fourth shorter than third; last segment 

 elongate, slender and subelliptical. 



Labrum and mandibles as in convexinotatus, latter somewhat 

 shorter. 



Gula over twice as wide at front as at narrowest point near the 

 middle. 



Pronotum white with a tinge of light yellow, subcordate, emar- 

 ginate anteriorly and posteriorly, more hairs on margins than in 

 convexinotatus. 



Legs and abdomen as in convexinotatus. 



1= Specimens appear to be immature (not completely colored); eye may not be as small as it appears to be. 

 '» Actual area where facets are colored: specimens do not appear to be completely mature, outline of eye 

 larger— 0.2 mm. 



