xv, e Bezzi: Fruit Flies from the Philippines 427 



distinct from all the other species with two scutellar bristles on 

 account of the broad, apical fuscous spot of the wings. 



Mindanao, Davao, a male specimen belonging to Prof. C. F. 

 Baker, in whose honor it is named. 



Male. — Length of body, 6.5 millimeters; of wing, 6. Occiput 

 rather convex, shining yellowish, reddish toward middle. Frons 

 very broad, about as broad as long, entirely reddish yellow, 

 unspotted, with a blackish, transverse, vertical stripe, including 

 the black ocellar spot; opacous. Lunula broad, yellowish. An- 

 tennae as long as face, with a short first joint; entirely yellowish, 

 with a narrow third joint. Face concave, shining yellow, with 

 black spots at end of antennal grooves. Cheeks whitish; jowls 

 as broad as breadth of third antennal joint, with a reddish sub- 

 ocular spot. Palpi reddish; proboscis dirty brown. Cephalic 

 bristles black; only two lower orbital bristles. 



Back of mesonotum reddish, roughly punctulate, a little shin- 

 ing, with a short pale pubescence; black markings as follows: 

 A narrow middle stripe, ending at suture ; a triangular patch on 

 each side before suture, with base on dorsocentral line and 

 vertex on notopleural line just behind humeral callosities; a 

 broad patch on each side behind suture, reaching with its acute 

 point the base of scutellum; a narrow transverse stripe just in 

 front of scutellum. Pleura reddish, with broad black patches 

 around the yellow markings. Yellow markings as follows: 

 Humeral calli entirely; presutural calli, and extending from 

 them a short triangular spot near suture; a narrow and less 

 striking supra-alar stripe ; a broad mesopleural stripe, continued 

 below into a broad spot on upper part of sternopleuron ; a 

 double hypopleural spot. Mesophragma black, but reddish 

 toward the middle and above. Scutellum convex, punctulate, 

 yellowish, with a very narrow basal black stripe; with only 

 the apical pair of bristles. Thoracic bristles black, but dropped 

 out in the case of the type. Squamulae and halteres whitish. 



Abdomen very convex in the middle and restricted at base, 

 but not properly stalked; segmentation very evident; reddish, 

 punctulate, and pubescent like back of mesonotum; first and 

 second segments more yellowish, and black at base and on sides, 

 black crossband of second segment not extending to sides ; third 

 segment with black transverse band at base, dilated on a black 

 lateral border at sides, and moreover with the narrow black lon- 

 gitudinal middle stripe, forming with those of fourth and fifth 

 segments a longitudinal stripe, narrowly interrupted at sutures 



167863 3 



