io8 Memoirs of the Indian Museum. [Voi.. Ill, 



femora covered with black bristles on the outside, the inferior row with 6-7 long 

 bristles; middle tibiae with 4-5 bristles, hind tibiae with a complete row. 



Wings hyaline, with blackish bands. The first band begins at the stigma, which 

 is wholly blackish, and extends obliquely to the first basal cell, the second basal cell 

 and the anal cell being hyaline. The second band is parallel to the first, from which 

 it is separated by an entire hyaline band; it begins at the costa some distance 

 after the stigma and going upon the small cross- vein extends to the 6th vein, not 

 reaching the hind margin ; from the superior end of this band the border of the wing is 

 filled with blackish, forming an arcuate band which extends to the tip, ending a little 

 before the end of the 4th vein. In the hyaline triangular space limited by these bands 

 are two blackish streaks not united together, one on the posterior cross-vein, the 

 other on the middle of the last portion of the 4th vein, both reaching the hind 

 margin, the last one united with the fore costal border. 



A single female caught at light on board-ship 5 miles off Calicut, Malabar coast, 

 6-V-08 (C. Paiva) (^fp). 



This species seems to be allied to Tephritis vittata, Macquart, Suppl. 4, 263, 15, 

 pi. 27, f. I (1851), from Asia, which perhaps also belongs to the genus Gastrozona; 

 the present species is, however, different in the colouration of the legs, abdomen and 

 ovipositor ; the pattern of the wing is very similar. 



G. melaiiista, on account of the different shape of the head, is perhaps not con- 

 generic with the two preceding species, but the colouration of the wings and the 

 white patch on the pleura show a real affinity with them. 



6. Diarrhegma, n. gen. 



Easily distinguished by the six bristles on the scutellum, the shape of the head 

 and the pattern of the wings. 



Shape of the head as in Anopiomus, the occipital swellings much less developed 

 and the cheeks smaller ; eyes narrowed ; antennae inserted above the middle of the 

 eyes, the third joint short, rounded at the tip ; arista plumose, with longer hairs 

 above; palpi not bristly; face in the middle swollen, but flattened; the antennal 

 furrows reaching the epistome; no distinct oc. ; or. 2. 2.; vt. 2.; pvt. weak and 

 parallel; genal bristle weak; a row of occipital black bristles. 



Thoracic chaetotaxy complete ; the dc. in the middle between transverse suture 

 and scutellum; 2 mpl.; pt. stout. Scutellum of great size, triangular, with six 

 bristles, the apical parallel. 



Abdomen narrowed at the base, with six distinct segments, the last bristly; 

 ovipositor flattened, a little shorter than the last three abdominal segments together; 

 male genitalia not prominent. Front femora with a row of bristles beneath ; middle 

 tibiae with two apical spurs; hind tibiae with a row of hairs on the outside. 



Wings black, with hyaline indentations and spots ; the longitudinal veins straight ; 

 small cross-vein a little beyond the middle of the discal cell; posterior cross-vein 

 perpendicular ; second basal cell a little enlarged ; inferior angle of the anal cell drawn 



