142 Philippine Journal of Science i»w 



Genus PAUROPSYLLA Riibsaamen 



Key to the species* 



a\ Forewing with pterostigma. 



6*. Antennas with two or more very long setae at tip. 



&. Antennae much shorter than width of vertex between eyes; vertex 

 showing median suture distinctly. 

 cP. Antennas with eight long setae, tassellike. (Malay Archipelago.) 



P. brevicomis sp. nov. 

 <?. Antennas with two long setas, not tassellike. (Bengal.) 



P. nigra sp. nov. 



c*. Antennas about as long as width of vertex between eyes, with 



three long setas; vertex with median suture not visible. (Malay 



Archipelago.) _ P. verticis sp. nov. 



V. Antennas without long terminal setas. 



&. Forewing broadly rounded, marginal cells moderately large, ptero- 

 stigma narrow; insect of medium size. (Ceylon.) 



P. spondiasas Crawford ('15: 260). 

 c*. Forewing acute at apex, broad, marginal cells very large, ptero- 

 stigma elliptical, broad; insect large. Malay Archipelago; 

 Hawaii?) P. apsylloides sp. nov. 



a 2 . Forewings without pterostigma. 



6 1 . Second marginal cell much larger than first; fourth furcal (M t +i) 

 angulately arched and touching radius. 

 c 1 . Insect minute, about 2 millimeters long from head to tip of folded 

 wings; forewings with black spots scattered along veins; first 

 marginal cell about one-third as large as second. (Ceylon.) 



P. floccosa Crawford ('15: 259). 



e*. Insect larger, 3 millimeters long or longer; forewing veins without 



black dots; first marginal cell about one-tenth as large as second. 



(Bengal.) P. tuberculata Crawford ('12: 430). 



6*. Second marginal cell not larger than first, usually subequal; fourth 

 furcal not touching radius. 

 c*. Media and cubitus without stem, the radius, media, and cubitus 

 forking from basal vein at same point (as in Trioza) . (Phil- 

 ippines and Java.) P. triozoptera Crawford ('13: 296). 



e\ Media and cubitus with a short stem, not as above. 



d 1 . Head and thorax black, reticulately marked; anterior ocellus 

 above, near posterior ocelli; abdomen large, not flattened. 



(Philippines and Java.) P. udei Riibsaamen ('99: 264). 



d*. Head and thorax reddish or light brown, reticulation indistinct; 

 anterior ocellus in front, more distant from posterior ocelli. 

 (Bengal.) P. depressa Crawford ('12: 429). 



Pauropsylla brevicomis sp. nov. Plate I, figs. 1 and 2. 



Length of body, 1.3 millimeters; length of forewing, 1.9. 

 General color reddish to chocolate brown, with venter of 



* Because of lack of knowledge concerning them I have not included 

 in this key Pauropsylla ficicola Kieffer and P. globuli Kieffer. 



