froin the Philippine Islands. 225 



reaching the scutcllura ; the lateral ones more or less interrupted ou 

 the thoracic sutures; between the lateral stripe and the root of the 

 wing there is faint indication of another short stripe. Metathorax black, 

 with a faint paler spot in the middle; large blackish spots on the hypo- 

 pleura and sternopleura, abov^ the hind and middle coxae. On the 

 abdomen there are four narrow, black crossbands, ending on both sides 

 in the black lateral borders of the segments; the first crossband is in 

 the middle of what, in Loew's terminology, is the first segment (Monogr. 

 N.-Am. Dipt. I, p. 54, line 7 from bottom), but is, in reality, composed 

 of two segments; this first crossband occupies therefore the anterior 

 margin of the second segment; the following three crossbands, likewise 

 occupy the anterior margins of the three following segments. Legs 

 honey -yellow, hind tibiae more brownish. Head brownish -yellow, in- 

 cluding the palpi and antennae; the third joint of the latter is shorter 

 than in the typical Dacus and does not reach the peristoma; arista 

 microscopically pubescent. Wings with a brown picture consisting of 

 a large brown spot on the distal half of the wing, between the second 

 and the fourth veins; a narrow, arcuate crossband crosses the wing in 

 the middle and follows the anterior margin to very near the apex; the 



Fig. 8. 



Dacus Icarus. 



large brown spot and the crossband are connected on the fifth vein; 

 another crossband reaches from the stigma to the sixth vein; it emits 

 two branches, running towards the root of the wing, one in the first 

 basal, the other in the anal cell. The intervals of the brown are 

 hyaline, except that in the apical part of the wing, which is grayish. 

 Length 8 — 9 mm. — A single male. 



NB. Although this species has the general appearance and the 

 coloring of a Dacus, it difi'ers in some respects from the typical species 

 of the genus. The second basal cell is less broad; the lobe of the 

 anal cell much less long; the second vein less near the anterior margin; 

 the third antennal joint shorter; the arista microscopically, but distinctly, 

 pubescent ; the scutellum less rounded, more triangular and flatter on the 

 surface; its four bristles longer and stronger. There is one praescutellar 

 pair of bristles; the pteropleural bristle is rather large for a Trypetid ; in 

 other respects, the chaetotaxy, as far as I can see, is like that of Trypeta. 



