FA UNA HA WAIIENSIS 



(3) Platyura insularis, sp. nov. 



%. Long. Corp. 4^ mm. ; al. 4 mm. 



Antennae about half the length of the thorax, first, second, and basal half of 

 third joints yellow, remaining joints dark brown, those of the flagellum about as broad 

 as long, pubescent, palpi yellow. Thorax dirty-yellow, clothed with black hairs which 

 are short on the dorsum but longer behind and at the sides, scutellum brownish, 

 halteres yellow. Abdomen black, shining, first segment dark, second to fifth segments 

 each with a transverse posterior band of yellow. Legs pale, tarsi darker. Wings 

 hyaline, apices tinged with fuscous and the sixth vein clouded, in one specimen also 

 a slight clouding at the origin of the fourth vein ; auxiliary vein abbreviated, not 

 reaching the costa, anterior branch of the third vein terminating about midway be- 

 tween the tip of the first vein and the tip of the posterior branch of the third vein. 



Hab. Molokai Alts., 3000 ft., September 1893, one female. — Hawaii, Kona, 

 4CXX) ft., July 1892, one female. 



Two males, in bad condition, from Koholuamano, Kauai and Wainae Mts., Oahu, 

 3000 ft., respectively, may also belong to this species. 



Plate L fig. 5, base of $ antenna. 



Fam. CHIROXOMIDAE. 



Chironomus Meigen. 

 ( I ) Chironomus hawaiiensis, sp. nov. 



Long. Corp. ,? 5, ? 5—6 mm. ; al. ^ 3, ? 3— oi mm- 



Z. Head and basal joints of antennae yellow, palpi yellowish-brown, plumes of 

 antennae light yellowish-brown, eyes black. Thorax with the ground-colour whitish, 

 almost silvery, in some specimens with a slight greenish tinge, two anterior approxi- 

 mated dorso-central and two posterior lateral abbreviated stripes reddish-brown, the 

 three lines of ground-colour thus left furnished with rather long very pale hairs ; 

 pleurae and scutellum greenish-grey, the latter with long pale yellow hairs, metanotum 

 reddish-brown, halteres pale. Abdomen slender, yellowish-grey, with light yellow 

 hairs, each segment with a triangular basal dark brown spot, the apex of which points 

 backward while the base extends completely across the segment, apical segments 

 almost entirely dark. Legs light yellow, all the femora with a brown ring near the 

 apex, fore legs except the femora, bare, with the tibiae a little more than half the 

 length of the metatarsi, basal third and tip of tibiae brown, tips of all the tarsal 

 joints likewise brown, intermediate and hind legs long-haired, tips and bases of the 



