53 

 A Delphacid on Bamboo in Formosa. 



BY F. MUIK. 



Puroliita taiwanensis sp. n. 



^ Light brown; antennae and keels of face and vertex speckled 

 with darker spots, legs with longitudinal dark-brown stripes, keels of 

 thorax tinged with green. Tegmina hyaline, veins white with small 

 hair-bearing granules, veins bordered with brown, darker on apical 

 half; wings hyaline, veins brown. 



Pygophor slightly compressed laterally, ventral edge produced in 

 the middle into two small flattened, pointed, processes, each with a 

 smaller point on the outer side; lateral edges truncate; anal segment 

 large, broad, dorsum flattened, apex truncate, anus near apex, sides 

 turned down, making ventral surface excavate; anal style long, nar- 

 row, lanceolate; genital styles thin, pointed, having a half turn in- 

 ward, reaching to anal segment, base broader and flattened, attached 

 to inner margin of pygophor; penis chitinous, long, slender, sharply 

 curved and sharply pointed, forming the most conspicuous portion of 

 genitalia. 



2 Slightly larger, abdomen with tinge of green on sides, ovipositor 

 dark brown; anal style narrow, lanceolate. 



Length 3. iniii. ; tegiiien 5. mm. 



Hab. Horisha, Formosa, on bamboo; December (F. Mnir). 



Proc. Haw. Ent. Soc, III, No. 1, September, 1914. 



