276 
The Philippine Journal of Science 
1921 
second marginal cell subtriangular. Hind legs longer than fore 
or middle; ungues broadly curved; meracanthi about three times 
as long as thick, of uniform thickness, rounded at apex. 
Abdomen about one and one-third times as long as thick; 
width subequal to thickness ; fourth, fifth, and sixth tergites with 
a prominent, erect, abruptly subconical, median tubercle ; seventh 
with a longer and caudally directed projection at caudal margin. 
Anal valve about one-fourth total length of abdomen, about 
three times as long as thick, subcylindrical, somewhat flattened 
out at apex. ' Genital forceps about two-thirds as long as anal 
valve, about two and a half times as long as diameter at base, 
subconical. 
Female. — Genitalia deflected at an angle of about 120°, anal 
valve about half the total length of abdomen, about twice as 
long as thickness at base, subconical, very acute at tip. Ventral 
valve about four-fifths as long as anal, about one and three-fourths 
times as long as diameter at base, very acutely pointed at apex, 
broadly curved subapically dorsad. Anal and ventral valves 
beset midway with irregular whorls of somewhat long, caudally 
divergent, bristlelike hairs. 
Described from five males and nine females. 
Cotypes. — No. 18415, in College of Agriculture, University of 
the Philippines. 
Luzon, Laguna, College of Agriculture, east of “temporary 
building,” Los Banos, at an altitude of about 50 meters, Decem- 
ber, 1918. Accession No. 18415, College of Agriculture collec- 
tion ( Uichanco) . 
Nymphs and adults feed on leaves of Kleinhofia hospita L. 
(Sterculiacese), causing shallow, subhemispherical depressions 
in the leaf lamina. The insect produces no waxy secretion in 
any of its stages. 
Paurocephala psylloptera Crawford (’13:294). 
Type locality. — Luzon, Laguna, Los Banos (Baker), on 
Ficus ulmifolia Lam. (Moracese) . 
Panrocephala psylloptera maculipennis var. nov. Plate 1, fig- 6; 
Plate 2, fig. 17 ; Plate 3, fig. 22 ; Plate 4, fig. 36 ; Plate 5, fig. 50. 
Male. — Length of body, 1.5 millimeters; width of head, 0.65; 
length of forewings, 1.76, width, 0.8. Very dark fuscous. 
Light stramineous as follows: Ocelli; antennal segments I to 
III and basal half of IV ; hind coxae and trochanters ; pro- 
thoracic femora and tibiae. Brownish yellow : Mesothoracic and 
