294 The Philippine Journal of Science 
The specimens were reared from leaf galls on Paederia tomen- 
tosa Blume. 
Cecidomyia philippinensis sp. nov. 
Female.—Length, 2 millimeters. Antennz about one-half the 
length of body, rather sparsely haired, reddish brown, of 14 
segments, fifth with a stem one-fourth the length of the cylin- 
drical basal enlargement, which latter is about three and one- 
half times as long as its diameter; a rather sparse whorl of 
stout sete basad and a somewhat thick band of slenderer setze 
subapicad; basal portion of terminal segment with a length 
about two and one-half times its diameter, the distal portion 
long and digitate. Each palpus consisting of one narrowly 
ovoid segment. Eyes holoptic. Mesonotum dull reddish brown, 
submedian lines yellowish, thickly haired. Scutellum pale 
yellowish. Postscutellum brownish yellow. Abdomen mostly 
dark red, thickly haired. Wings hyaline, slender, the length 
being nearly three times the width, subcosta united to costa by 
a rather distinct chitinized area and ending near basal third. 
Third vein nearly straight and joining margin well beyond 
apex of wing, fifth vein uniting with posterior margin at distal 
fourth, its branch near basal half. Halteres yellowish basad, 
reddish apicad. Coxe pale yellowish. Femora distad reddish 
brown, tibiz and tarsi mostly pale straw. Claws wanting. 
Ovipositor short, terminal lobes rather broadly ovoid and some- 
what thickly setose. 
Type.—Cecid. a2889, New York State collection. 
Luzon, Laguna Province, Mount Maquiling, September 3, 
1917, College of Agriculture accession No. 18316 (Uichanco). 
The one female described above was accompanied by the 
following statement: “It is doubtful whether this is the cause 
of the numerous galls on the leaves of this plant (Spatholobus 
philippinensis Merr.), as this insect was bred out of a narrow 
thistle-shaped case, attached to the leaf and not from the galls.” 
Despite the above, there is a fair probability that this is the 
gall producer; and, as there is a definite food-plant record, I 
have described the species from a somewhat mutilated specimen. 
Since the characters are sufficiently marked, there should be 
comparatively little difficulty in establishing the identity of the 
insect later. 
