VIII, D. 4 Bezzi: Philippine Diptcra, I 325 



Head whitish; frons yellow; a black spot on the middle of the 

 occiput; all the bristles black, the genal bristles rather strong; 

 no distinct ocellar bristles; the 6 pairs of lower frontoorbitals 

 are bent inward; antennae yellow, not reaching the epistome, 

 the third joint rounded at the apex; arista long but thinly plu- 

 mose; palpi yellow, short pilose, very much dilated. Mesonotum 

 shining black ; the humeri and a broad oblique band crossing the 

 metapleura and reaching the pteropleura are whitish; hypo- 

 pleura and sides of metanotum also whitish; chaetotaxy com- 

 plete, nearly all the bristles black, only the 2 or 3 mesopleural 

 ones yellow. Scutellum wholly white, with 4 black bristles 

 and some yellow hairs on the middle. Squamulse grayish; hal- 

 teres whitish. Abdomen shining black, with black pile and 

 bristles at end ; first segment yellow with yellow pile ; a quadrate 

 yellow spot toward the middle of the penultimate segment; 

 ovipositor flattened, shining black. Venter yellow. Legs with 

 coxae and tarsi entirely pale yellow; all the bristles yellow; 

 middle tibiae with a single black spur ; row of hairs on the hind 

 tibiae short but strong. Wings with the third vein bristly to the 

 end ; small cross-vein a little before the middle of the discal cell. 

 Wing pattern brown, very similar to those of Plate VIII, figs. 17 

 and 18, of my paper on Indian trypaneids ; but the brown costal 

 area is entire, not interrupted after the stigma, which is wholly 

 black, showing only a small hyaline spot before the base and 

 another beyond the apex; the subapical cross band is united 

 with the costal band; the band on the hind cross-vein is pro- 

 longed obliquely to the anal vein, forming a band almost parallel 

 to the hind margin. 



68. Gastrozona luteiseta sp. no v. 



A yellow species with black and white markings, allied to the 

 preceding, but distinguished by a different wing pattern, and 

 entirely yellow bristles, only the dorsocentrals being black. 



Male. — Length of body, 6 mm. Head and its appendages as 

 in the preceding, but all of the bristles, including those of the 

 occipital row, yellow; no ocellar bristles. Mesonotum yellow 

 with yellow pile ; the white pleural markings as in the preceding 

 species; a spot over the humeri and the hind border of the back 

 along the base of the scutellum, black ; a spot on the hypopleura 

 and metanotum black; chaetotaxy normal, the bristles yellow, 

 only the two dorsocentrals black. Scutellum Avhitish, yellow 

 on the sides above, with 4 yellow bristles, and numerous and long 

 yellow hairs on the middle. Squamulae and halteres white. 

 Abdomen wholly yellow, shining; there are on the middle 2 



