BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 27. AFD. IV. NIO 7. 31 



°2. D. mceonia Druce An. N. H. ((?) 17 p. 353(1896); ?=.N:o 1. 

 Old Calabar. 



20. Viana Walker. 



= Viana Walker Träns. N. Hist. Soc. Glasgow 1 p. 340 

 (1869); type veluiina. 



= Gonojana Auriv. Ent. Tidskr. 14 p. 212 (1893); type 

 G. dimidiata. 



Proboscis short and weak. Palpi porrect, hardly reaching 

 beyond the fröns, more densely scaled in the male than in 

 the female. Antennae hardly reaching the apex of the cell 

 of före wing, bipectinate; the branches rather long and slender 

 in the male, short in the female. Före tibise unarmed, hind 

 tibiai with 4 spurs. Wings moderately broad, more densely 

 scaled in the male than 

 in the female. Före 

 wing with the outer 

 margin very convex; the 

 apex broadly rounded 

 in the male, acute and 

 slightly falcate in the 

 female. Hind wing with 

 the outer margin pro- 

 duced at vein 3 into a 

 short and obtnse tail 

 in the male, broadly and 

 obtusely angled at the 

 same point in the female. 

 Före wing with vein 3 from well before angle of cell, 5 from 

 the middle between 4 and 6 or a little nearer to 4, 6 from 

 the long stalk of 7 and 8, this stalk emitted from vein 9 

 near the iipper angle of cell, 10 absent, 11 anastomosing with 

 9 and then forming a short bar between 9 and 12; lower 

 discocellular straight and nearly erect; middle discocellnlar 

 slightly curved, oblique and hardly longer than the lower 

 discocellular. Hind wing with vein 3 from well before angle 

 of cell, 5 from the middle between 4 and 6 or a little nearer 

 to 4, 6 and 7 on a long stalk, 8 nearly straight and con- 

 nected with the cell by a bar; lower discocellular straight 



Fig. 22. Viana dimidiata ?• 



