93 



Dacus ornatissimuft, n. sp. 

 (PL IV, fig. 13 and U.) 



General light chestnut brown to ochreous ; wings hyaline, with a fine, pale 

 ferruginous stripe along the costal nervure, except the basal cells, which are 

 unclouded, a transverse stripe down the inner edge of the wing ; length, 

 6 mm. ; eyes almost black ; antennae moderately long, touched with fuscous 

 at the tip, a round black spot on either side of the face below the antennae, and 

 four small spots above, and a few short bristles on the vertex ; thorax without 

 yellow markings, but the dorsal surface is occupied with a well-defined black 

 pattern formed of two short parallel bars in line with the inner margins of 

 the eyes, merging into an irregular transverse band through the mesonotum, 

 which is continued in a broken band round the sides ; a black blotch on the 

 ventral surface below and between the forelegs, with another just behind 

 the base of the wings ; the whole of the dorsal surface of the thorax black, 

 behind which is the broadly rounded chestnut-coloured scutellum, from the 

 hind margin of which stand out two stout bristles ; below the scutellum, 

 above the base of the abdomen, are two well-defined black blotches ; legs 

 yellow, the tarsi slightly clouded ; abdomen ochreous, with indistinct narrow 

 transverse lines of darker colour, but no defined bands. 



Habitat New Caledonia. Bred from mandarins in Sydney. 



Dacus curvipennis, n. sp. 

 (PL IV, fig. 15 and 16.) 



This is a handsome, dark yellow and black fruit-fly, of medium size, with 

 hyaline wings with the costal margin clouded forming a regular narrow band 

 extending round the tip of the wing, a small V-shaped blotch extends down- 

 ward from the costal stripe clouding either side of the transverse cross 

 nervure between the first posterior and basal cell, with the usual stripe down 

 the inner side of the wing. Length, 6 mm. Head yellow, eyes purplish- 

 black, antenna; fuscous at the tips, bristles blacV, without black spots on the 

 face ; thorax, with the whole of the dorsal surface covered with a dark 

 shield-shaped black patch, with the centre covered with an elongate double 

 bar of silvery white ; the shoulders, sides of the body, and scutellum bright 

 yellow, a narrow band or short bar of the same colour on the sides of the 

 thorax: the scutellum somewhat elongated when viewed from behind, more 

 convex when viewed from above, with two bristles at the hind margin ; a 

 few scattered bristles on the hind margin of the head and the sides of the 

 thorax; lfi:s yellow, thighs of hind le^s and tarsi darker; abdomen 

 elongate, with the base and two narrow transverse black bands below, the 

 second broadest on the sides : *hcath and ovipositor elongated. 



Habitat Fiji. Bred in Sydney from larvae taken from bananas in ship- 

 ments of fruit from Suva. Several specimens of both sexes. Type in 

 Agricultural Department's collection, New South 



Dacus basilis. Walker. 



of Diptera, British Museum, Part iii, 1*49, p. 1072.) 

 "Body bluish Driven, head tawny, black beneath and on the crown ; a white 



stripe alon-,' eu-h eye: f;r?e white, its sides without bristles; epistoma 

 prominent: eyes pitchy: fore i avts flat, the facets much larger than those 

 elsewhere : sucker black, clothed with tawny hairs : palpi tawny, rather large, 



