XII, D, 3 Bezzi: Studies in Philippine Diptera, II 147 



Wings with a yellow tinge, which is more intense on the basal 

 half and along the fore border; they have a few dark spots, 

 arranged to form crossbands — a basal, less-defined one, a 

 middle one more developed and double, and three others on apical 

 part after the hind cross vein, which is narrowly bordered with 

 fuscous along the inner side only. Veins yellow; third and 

 fourth a little wavy, the first posterior cell dilated at end; an- 

 terior cross vein on middle of discoidal cell; second basal cell 

 much longer than the anal one, its two apical cross veins being 

 of about the same length ; anal cross vein straight. 



Luzon, Laguna, Los Bafios (Baker). 



188. Pterogenia luteipennis sp. nov. 



A distinct species near P. pectoralis Hendel, from New Guinea, 

 but at once distinguished by the yellow base of the wings. 



Male and female.—Length of body, 5.5 to 6 millimeters; of 

 wing, 6 to 6.5; breadth of body, 2.8 to 3. Head much higher 

 than broad. Occiput black, with a complete yellow border which 

 is narrow above and broader on the produced lower part, and 

 there with a black spot, situated behind the inferior corner of 

 eye. Frons narrow, length more than twice the breadth, opaque, 

 dark yellow, with a basal and a middle crossband, united by a 

 median longitudinal stripe. Lunula black, with a brown spot 

 on each side between antennae and eye. Face short, concave, 

 continued below by the very broad epistoma, yellow, with a 

 black transverse band at end of antennae ; cheeks narrow, yellow ; 

 jowls very broad, as broad as one half of eye, rugulose, yellow, 

 with a broad black band, which is in continuation of that of face. 

 Praelabrum concealed; palpi black; proboscis brown. Antennae 

 short; first joint black, second globular and red, third pale 

 yellow; arista long plumose, the feathers twice as broad as 

 the third joint. 



Mesonotum and scutellum black, opaque, punctulate, black 

 pubescent; three less distinct and irregular cinereous longitu- 

 dinal stripes on dorsum, humeral calli yellow like the notopleural 

 stripe; mesopleura toward the middle with a narrow yellowish 

 stripe, which is cinereous-dusted above. Yellow border of scu- 

 tellum complete, but narrow. Squamae and halteres yellowish. 

 Abdomen dull black, the second, third, and fourth segments each 

 with a narrow yellow hind border, which is a little broadened 

 in the middle; second segment without keel; male genitalia 

 yellow; ovipositor short, compressed, brownish yellow; venter 

 yellowish, black on the sides. Legs and coxae black, the four 

 posterior tibiae with the basal half yellowish, and all the tarsi 

 with the first joint whitish. 



