XII, D, 3 Crawford: Philippine and Asiatic Psyllidx 173 



one-half times as long as broad, black and opaque on basal third, 

 hyaline or slightly fumate on remainder; veins with very long 

 hairs; with a tendency toward a cubital petiole, but otherwise 

 not related to Ceropsylla. 



Abdomen (of male) very short. Male genital segment small 

 and whitish or yellow; anal valve small, hood-shaped, profile 

 narrow and longer than forceps, subacute at apex; forceps 

 relatively broad, arched, apex truncate. 



Luzon, Benguet, Baguio (Baker), 2 males. 



Trioza luzonensis sp. nov. Plate I, fig. 10. 



Length of body, 2,3 millimeters ; length of f orewing, 3.2 ; width, 

 1.3 ; width of head, 0.75. General color light orange to reddish 

 or to yellowish; apical third of antennae black. Body surface 

 sparsely hairy. 



Head not much deflexed; vertex fully half as long as broad, 

 with a prominent elevation at each posterior ocellus and a pro- 

 minent convexity on each side of median line, with a deep sulcus 

 between each ocellus and medial convexity. Genal cones small, 

 scarcely half as long as vertex, divergent, rounded or subacute, 

 well below plane of vertex. Antennae a little more than twice as 

 long as width of head. 



Thorax well arched. Legs somewhat hairy. Forewings 

 hyaline, with setigerous veins. Male genital segment moderately 

 large ; anal valve large, triangular in profile, with posterior angle 

 acute ; forceps about as long as anal valve, slender, arched, acute 

 at apex. Female genital segment less than half as long as rest 

 of abdomen, both valves acute and about equal in length. 



Luzon, Laguna, Mount Maquiling (Baker), 1 male and 4 

 females; Benguet, Baguio (Baker), 1 male. 



Trioza fletcheri Crawford. 



Trioza fletcheri Crawford, Rec. Ind. Mus. (1912), 7, 434, PI. 34, 

 fig. V, PI. 35, fig. Q. 

 Two imperfect specimens from Coimbatore, South India, seem 

 to belong to this species, though it is impossible to make any 

 conclusive statement because of the poor condition of the speci- 

 mens. They were collecteded by "Y. R." in galls of Trewia sp., 

 December 9, 1913. 



Trioza jambolanse sp. nov. Plate I, fig. 4. 



Length of body, 2.0 millimeters ; length of forewing, 3.5 ; width, 

 1.4 ; width of head, 0.8. General color reddish brown, abdomen 



