DIPTERA 35 



(5) Coenosia latunana, sp. nov. 



$. Long. 7 mm. ; al. 6 mm. Front one-fifth of the width of the head, black, 

 vertical triangle shining black, orbits with light yellow tomentum, face silvery yellow, 

 palpi yellow, antennae pale yellow with the basal joints a little darker, arista black, pale 

 yellow at the base and very shortly plumose near the middle. Thorax with two distinct 

 presutural dorso-central bristles, dorsum, pleurae and scutellum light yellowish-grey ; 

 mesopleura with a row of unusually numerous fine bristles behind, and near each end of 

 the row a stronger bristle, halteres pale yellow. First two segments of abdomen entirely 

 pale yellow, third segment pale yellow in front, behind yellowish-cinereous with two 

 dark brown spots, fourth se_t:;ment yellowish-cinereous with two similar but smaller 

 spots ; lateral bristles on all the segments as in the previous species, first two segments 

 without dorsal bristles, third with two, and fourth with a row of si.x on the hind margin, 

 end of the abdomen bristly and somewhat thickened. Legs with the coxae, femora and 

 tibiae entirely light yellow, fore and intermediate tarsi with the first two and the basal 

 half of the third joints yellow, the remaining joints dark brown, hind tarsi } (absent in 

 the single specimen obtained). Fore femora with three rows of bristles on the outer 

 and hinder surfaces and a short row near the base of the inner surface, fore tibiae with 

 a lonof fine externo-median bristle and numerous fine shorter hairs beneath, fore tarsi 

 flattened, distinctly broader than the tibiae, the metatarsus narrower in its basal half and 

 furnished beneath with three or four peculiar fine anteriorly curved hairs near the base, 

 at the apex of this and the following joints on each side is a single hair similar to those 

 near the base and also a short strong spine, claws and empodia large. Intermediate 

 femora with a row of spines beneath, the three nearest the base much longer than the 

 rest, a few spines on the anterior surface and two near the tip on the upper surface, 

 intermediate tibiae with a single externo-median bristle, three or four apical bristles and 

 a very strong apical spine beneath, which is nearly as long as the metatarsus, inter- 

 mediate tarsi slender and a little longer than the tibiae. Hind femora with two rows of 

 rather strong bristles, hind tibiae with three long bristles on the outer surface, a smaller 

 one on the under surface, one on the inner surface, and three or four at the apex. 

 Wings clear in the basal half with the veins light yellow, slightly fuscous and with the 

 veins dark towards the apex, tegulae yellowish-white. 



Hab. Lanai, one male, Mts. Koele, over 2000 ft., July 1894. 



Plate II. fig. 20, fore tibia and tarsus of $. 



(6) Coenosia dispar, sp. nov. 



t. Long. b\ mm. ; al. 6 mm. Front almost one-third of the width of the head, 

 blackish-brown, vertical triangrle lisfht brown, orbits with light cinereous tomentum, face 

 silvery, palpi yellow, antennae entirely black, arista pubescent. Thora.x with two pre- 



5—2 



