Genus Uranotaenia. 561 



Legs brown, unhanded, with ochreous reflections, the last 

 two or three tarsal segments clayey-white in certain lights on the 

 mid and hind legs ; ungues small, equal and simple. 



Wings of typical venation and squainose characters ; stem of 

 the first sub-marginal twice as long as the cell ; stem of the 

 second posterior one and a half times as long as the cell; 

 posterior cross-vein much longer than the mid, sloping back- 

 wards, and close to the base of the upper branch of the fifth long 

 vein, large clavate scales on the branches of the first sub- 

 marginal and its stem near the cell and on both sides of the 

 third long vein, also some on both sides of the branches of the 

 second posterior cell ; upper costal border very distinctly 

 spinose. 



Halteres with testaceous stem and deep brown knobs. 



Habitat. — -Singapore (Biro, 1902). 



Observations. — Described from two perfect ? 's. They can 

 at once be distinguished by the cephalic ornamentation, absence 

 of thoracic ornamentation except the blue prothoracic lobes. The 

 mid and hind legs have the last two or three tarsals apparently 

 pale, but in some lights the legs are unicolorous. 



Type in the National Museum of Hungary, Budapest. 



Uranotaenia balfouri. Theobald (1905). 



First Rept. Gord. Coll., Well. Labs., p. 82 (1905), $ ; Second Kept., p. 82 



(1906), c* . 



Head with a broad black median band, pale blue on each 

 side. Thorax brown, with pale blue prothoracic lobes and a 

 pale blue area in front of the roots of the wings. Abdomen 

 brown, unhanded. Legs brown, unbanded. Wings with 

 brown scales, except a short row at the base of the fifth long 

 vein. 



9 . Head black, clothed in the middle with flat black scales 

 forming a broad median area, sides clothed with flat pale blue 

 scales ; viewed in certain lights the back of the dark area of the 

 head reflects deep rich blue colours ; four prominent curved 

 black bristles in front which project medianally and some short 

 black ones between ; antennae deep brown with paler nodes, 

 basal segment pale reddish-brown ; clypeus pale reddish- 

 brown ; palpi black ; proboscis black, nearly as long as the whole 

 body. 



Mesothorax brown, with small narrow-curved brown scales a 



vol. iv. 2 o 



