68 FAUNA HAWAIIENSIS 



(26) Drosophila sp. 



Two specimens from Koholuamano, Kauai, April 1895, differ from the last species 

 in being smaller, having the antennae dark brown and the tarsi entirely yellow. They 

 are, however, in bad condition, and hence their description is deferred until more 

 material is obtained. 



(27) Drosophila melanosonia, sp. no v. 



?. Long. corp. 3^ mm. ; al. 3^ mm. Front dark reddish-brown in front, blackish 

 behind ; face brownish cinereous with a slight keel, proboscis reddish-yellow, palpi dark 

 brown ; antennae obscure brownish, the basal joints darker than the third. Thorax, 

 including pleurae, metanotum, and scutellum, shining black, the latter with a reddish 

 apex, halteres pale yellow. Abdomen shining black. Legs, including the fore coxae, 

 light yellow. Wings very slightly tinged with yellowish-brown, third and fourth veins 

 rather wide apart in the middle and distinctly convergent towards the apex, posterior 

 transverse vein slightly oblique. 



Hab. Kauai, Mts. Waimea, one female, 4000 ft., 1894. 



(28) Drosophila loiigiscia, sp. nov. 



^, %. Long. corp. 6 mm. ; al. 6^ mm. Front dark brown ; face reddish-yellow 

 to yellowish-grey, distinctly keeled ; proboscis and palpi reddish-yellow ; antennae large, 

 reddish-brown, arista very long and rather tortuous, plumose above for its whole length 

 and below on its apical half. Thorax brownish-yellow, with three obscure blackish 

 stripes, pleurae reddish-yellow, a large patch on the mesopleura and a small spot 

 beneath the root of the wing blackish, scutellum dark brown, reddish at the sides, 

 metanotum reddish-yellow, halteres yellow. Abdomen blackish with some indistinct 

 yellowish spots at the basal angles of each segment. Legs long and slender, in the 

 female the fore tarsi longer than the tibiae, the fore femora in both sexes armed 

 with long spine-like hairs which are arranged in two rows. Wings yellowish-hyaline. 



Hab. Molokai Mts., one male, 4000 ft., June 13th, 1893 ; one female, 4500 ft., 

 September 13th, 1893. 



Plate III. fig. 19, antenna. 



(29) Drosophila xanlhosoma, sp. nov. 



$. Long. corp. 3 mm. ; al. 3^ mm. Front, face, palpi, and proboscis yellow ; 

 antennae yellow, the third joint somewhat brownish. Thorax, pleurae, metanotum, 

 scutellum, and halteres reddish-yellow. Abdomen yellow, with the hind margins of 



