BY W. W. FIIOGGATT. 867 



across tlie base of wings; wings liyaline, with a faint blotch of 

 fuscous at tips. Abdomen somewhat cylindrical, rounded at 

 apex; that of the ^ furnished with a slender tubular ovipositor, 

 projecting beyond, and as long as the abdomen. Dorsal surface 

 of thorax clothed with long silvery pubescence, that on the 

 abdomen golden. 



Head yellow; eyes chestnut; two black spots below the antennse, 

 four on front between the eyes and the blotch round the ocelli 

 black. Thorax dark reddish-brown, the pubescence giving it a 

 greyish tint; humeri, a lateral stripe on the pleura, meeting the 

 slender wedge-shaped stripe, coming up the median suture, well 

 into the dor.sal surface, a double rounded blotch on the hypo- 

 pleura, a short wedge-shaped stripe in the centre of back in line 

 with centre of the scutellum, pale yellow. Legs yellow, with 

 the exception of a broad band of reddish-brown on the apical 

 half of the femora. Abdomen light reddish-brown; lightly 

 clothed with golden pubescence, and handed with pale yellow. 



Chsetotactic characters. — Two pairs of bristles on 

 front between the eyes, a large one on either side of the vertex, 

 with a smaller one on either side behind the eyes. Thorax with 

 short bristles on the front margin, and on either side; scutellum 

 carrying a pair. 



Hah. — Khartoum, Egypt (Mr. H. H. King, Entomologist, 

 Wellcome Research Laboratories, Gordon College). Bred from 

 the fruits of the TJ^ihev-iree^Calatropis procera). 



Dacus sigmoides Coqu. 



This .species was described by Coquillet, from one female 

 specimen, from Mauritius. 



Mr. P. Keenig, Director of the Botanical Station at Mauritius, 

 sent me four specimens of a fruit-fly, very destructive to melons; 

 this agrees with Coquillet's description. 



These specimens vary much in size, and in the black and 

 yellow markings on the dorsal surface of the thorax; one has the 

 short yellow stripe between the two black bars; others have the 



