DIXID^. 



257 



surface only ; light brown or greyish, with small patches of light 

 erect hairs irregularly disposed. The 2nd longitudinal vein forks 

 distinctly beyond the base of the 3rd vein, the anterior branch 

 forking a little beyond the fork of the 4th vein, both very near the 

 middle of the wing. 



Length li millim. 



Described from a single male in the Indian Museum, taken by 

 Dr. Annandale at Maddathorai, Travancore State, South India, 

 17.xi.08. 



Referred doubtfully and provisionally to the present genus. 

 There being no hairs on the surface of the wings, and no scales, it 

 is questionable whether a new genus should not be erected for it. 



Family DIXID^. 



Body moderately slender and of moderate size. The head 

 rounded ; the eyes dichoptic, bare. Proboscis short, the continua- 

 tion of a slightly produced snout ; palpi four-jointed, of average 

 size. Antennae probably of about 16 joints, the exact number 

 unknown owing to the hair-like nature of the end of the flagellum, 

 rendering exact discrimination impossible. There is a distinct 



Fig. 37. Diagrammatic lateral view of a Dixa ; a, antenna. 



scape consisting of the two basal joints, of which the first is some- 

 times very small ; the second is large, rounded, much larger than 

 the base of the flagellum. Neck hardly prominent, the head set 

 rather closely on the thorax. Thorax oval elongate, arched. No 

 transverse suture. Abdomen linear, subcylindrical. The whole 

 body very sparsely provided with hairs, most of the thorax being 

 bare. Legs rather long, slender, microscopically pubescent : coxae 



