192 LEPIDOPTERA INDICA. 



ARNETTA BINGHAMI. 



Plate 801, figs. 3, ^ 3a, <J . 



Arnetta blnghami, Swinhoe, Ann. Mag. Nat. Hist. 1907, p. 433; id. Trans. Ent. Soc. 1908, p. 13, 

 pi. i. fig. 18. 



Imago. — Male. Upperside dark blackish-brown. Foreicing narrower than usual, 

 two white semi-hyaliue minute spots at the end of the cell, a small lunular semi- 

 hyaline spot below the end and a little beyond it, a small white spot a little outside 

 the upper end of the lunule, two white sub-apical dots. Hindwing without markings. 

 Underside slightly paler than on the upperside, markings similar except that the two 

 sul)-apical dots of the forewing are wanting. Antennte white at the tips, and with 

 white crook ; palpi brown beneath, not white as is usual in the species of this genus. 

 Superficially like a Parnara, but has the venation and antennae of Arnetta. 



Expanse of wings, $ l\ inches. 



Habitat. — Sal ween Valley, Tavoy, Burma. (Bingham.) 



Type in the B. M., and another male from the Sal ween Valley. 



Genus AEROMACHUS. 



Aeromachus, de Niceville, Journ. Bo. Nat. Hist. Soc. 1890, p. 214. Watson, Hesp. Ind. p. 65 

 (1891) ; id. Proc. Zool. Soc. 1893, p. 80. Leech, Butt, of China, etc. ii. p. 617 (1893). Watson, 

 Journ. Bo. Nat. Hist. Soc. ix. 1895, p. 426. Elwes and Edwards, Trans. Zool. Soc. 1897, 

 p. 187. 



. Forewing, vein 12 ends on the costa before the end of the cell, cell less than two- 

 thirds the length of the costa ; vein 5 from slightly below the middle of discocellulars, 

 3 from well before the lower end of the cell, cell bent upwards from the origin of vein 3, 

 the base of vein 2 very close to the base of vein 3, about as far from it as the base of 

 vein 3 is from the end of the cell ; costa very slightly and evenly curved, apex well 

 pronounced, outer margin convex, shorter than the hinder margin. Hindw'uig, vein 7 

 from well before the upper end of the cell, with an upward curve at its l)a.se, the 

 upper margin of the cell bent downwards from the base of vein 7 to its end ; 

 discocellulars and vein 5 very faint ; 3 from close to lower end of cell, 2 from beyond 

 the middle, outer margin of the wing even ; the male with a short discal stigma on 

 the upperside of the forewing from the base of vein 3 to a little below the middle of 

 the sub-median vein. Autenufe with the club robust, a short terminal crook, and 

 pointed tip, palpi with the second joint pressed closely against the face, third joint 

 porrect, short, obtusely conical, hind tibise with two pairs of spurs. 

 Type, Tlianaos stigmata, Moore. 



