182 
Philippine Journal of Science 
1919 
Head broad and short, about as broad as thorax, deflexed; 
vertex scarcely half as long as broad between eyes, roundly con- 
vex on each side of median line in front, posterior ocelli well 
elevated; genal cones as long as vertex, subacute, divergent, 
scarcely contiguous even at base, sparsely hirsute; eyes large; 
antennse very long and slender, longer than body to tip of folded 
wings, more than four times as long as width of head. 
Thorax broad, arched, dorsal surface sparsely hairy. Legs 
rather long and slender; hind tibiae without spur at base, and 
apical spines short. Forewings clear or slightly flavous, veins 
yellow, narrow; pterostigma wanting or very narrow. 
Abdomen short. Female genital segment very short, about 
one-third as long as abdomen, dorsal valve a little longer than 
ventral, both subacute. 
Basilan ( Bake r), 1 female. 
Psylla bakeri sp. nov. Plate III, fig. 9. 
Length of body, 1.9 millimeters; forewing, 2.3. General color 
orange yellow or paler, with conspicuous white and black mark- 
ings as follows: Pronotum black cephalad and white caudad; 
dorsulum black on anterior margin, white on posterior margin 
and center orange colored ; mesoscutum black on part of anterior 
margin; mesoscutellum and metascutum white; vertex with a 
small black or brown discal area on each side of median suture, 
and a white area caudad of these and extending to median suture; 
eyes dark ; antennas orange with apex of each segment brown ; 
wings clear. 
Head strongly deflexed, about as broad as thorax, short ; vertex 
not half as long as broad between eyes; roundly convex on each 
side of median suture in front; with a small, shallow, foveal 
depression on each side, elevated at posterior ocelli. Genal cones 
as long as vertex, well separated, and inner margins nearly 
parallel to near base, subacute. Antennas a little more than twice 
as long as width of head, slender. 
Thorax broad, arched, not pubescent. Legs rather short, but 
hind legs long; hind tibiae without basal spur and distal spines 
short. Forewings clear or very slightly fumate, veins yellowish, 
pterostigma large. 
Abdomen short. Female genital segment about as long as 
abdomen, thick at base and narrowing abruptly to acute tip, 
dorsal valve longer than ventral, both acutely pointed. 
Luzon, Laguna Province, Los Banos {Baker), 1 female: Ben- 
guet Subprovince, Baguio {Baker), 1 female. 
