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PROCEEDINGS OF THE NATIONAL MUSEUM 



Face yellow, vertex slightly brownish; palpi dark brown; antennae 

 dark brown with yellow fii'st joint. Pronotum yellow medially, 

 narrowly brown on sides; meso- and matanotum yellow with light- 

 brown scuta. Legs pale yellow. Abdomen light brown. 



Fore wing elongate oval with rounded apex, 5 mm. in length and 

 2 mm. in width; costal area narrow; membrane nearly uniformly 

 tinted with brown, without maculation; venation dark brown, longi- 

 tudinal veins sparsely streaked with hyahne. A short radial cross- 

 vein before origin of R2+3; inner gradates disjointed in middle, the 



c "* e 



Figure 1. — Sympherobius brunneus, new species: a, terminal abdominal segments, 

 lateral view; b, the same, dorsal views; c, anal plate, internal lateral views; d, tenth 

 sternite, lateral and slightly dorsal view; e, parameres, dorsal (above) and lateral view 

 (below). 



upper two and lower two each on a straight line; Cui forked beyond 

 crossvein m-cu. Hindwing membrane hyaline, tinted with brownish 

 only in costal area, especially in pterostigmatic region. 



Male genitalia: Anal plate with four distal processes, resembling 

 those of S. angustus, the first process from top (in lateral view) fairly 

 long, the second the longest and most stout, the third the shortest, 

 and the fom-th the second longest. Tenth sternite with very broad 

 lateral "wing," which in lateral view appears roughly triangular with 

 pointed distal apex. Parameres with long fused part, distal lobes 

 parted at apex, forming an acutely narrow median incision; lateral 

 flaps broader anteriorly than posteriorly. 



