430 PTEROTHYSANIDJE. 



Hind wing dark red-brown, the costal area ochreous; traces of 

 three or four waved medial lines. 



$ paler and yellower in tone. 



Hob. Sikhim. Kvp., <$ 66, 96 millim. 



Species formerly recorded as 'Indian which are omitted. 



Trabala varia, Wlk., C. <fc S. no. 1455, belongs to the genus 



LecTiriolepis, Butl., and is from \V. Africa. 

 Trisula varieyata, Moore, C. & S. no. 1331, is a Noctua. 



Family PTEROTHYSANID.E. 



A family consisting of a single genus of day-flying moths. 



Palpi upturned, proboscis present. Antennae simple. MM 

 and hind tibia? with terminal pairs of spurs. Fore wing with 

 veins 1 a and c absent ; 5 from the lower angle of cell. JliiM 

 wing with veins 1 a and c absent ; 5 from lower angle of cell, 8 

 with a precostal spur, and bent down and touching 7 at middle of 

 cell. Frenuluin absent. 



Larva unknown. 



Genus PTEROTHYSANUS. 



Pterothysanus, Wlk. Cat. ii. p. 401 (1854). 



Type, P. laticilia, AY Ik. 



Range. ? China ; Sikhim ; Assam ; Burma. 



Palpi upturned, reaching above vertex of head. Antenn3 simple. 

 Mid and hind tibiae with terminal pairs of spurs. Fore wing with 

 vein 7 given off just before the end of cell ; 8 and 9 stalked, and 

 from far before the end. Hind wing with a double fringe of very 

 long hair on inner margin, and scattered long hairs on inner area 

 of both wings. 



954. Pterothysanus laticilia, Wlk. Cat. ii, p. 401 ; Butl. III. Het. i, 



pi. 14, fig. 2 ; C. $ S. no. 475. 

 Pterothysauus lanaris, Butl. A. M. N. H. (5) xiv, p. 406. 



Head and collar fiery red ; thorax black ; abdomen orange, with 

 a series of black dorsal spots and paired lateral white spots ; all the 

 segments with black bands below slightly spotted with white, the 

 first two banded also above. Fore wing black ; a large white spot 

 on inner margin before the middle ; one at end of cell ; medial, 

 postmedial, and submarginal series of spots, those towards inner 

 margin coalescing, the first two series irregular ; some small 

 marginal spots towards outer angle. Hind wing white, with a 



