p.viiEuoxiA. 277 



discocellulars subequal and very oblique ; precostal nervure or 

 spur curved outwards. Antennae long, considerably longer than 

 half length of fore wing; club gradual, long and slender; palpi 

 very short, third joint particularly so, almost truncate at apex ; 

 eyes large, prominent and naked ; thorax and abdomen particu- 

 larly long. The males of the Indian forms, with the exception of 

 P. avatar, have a band of specialized dull opaque-looking scales 

 along the terminal black border of the hind wing on the 

 upperside. 



Key to the forms of Pareronia. 



A. c? Upperside : very pale blue ; fore wing : veins 



not,or only very slightly defined with bluck. 

 5 mononiorphic ; fore wing upperside : the 

 subterminal series of spots in line P. ucatnr, p. '277. 



B. c? . Upperside : darker blue ; fore wing : veins 



distinctly defined or edged with black. $ . 

 Fore wing- upperside : subterminal series of 

 spots not "in line, spot in interspace 3 shifted 

 inwards. 



(t. c? Upperside fore wing : terminal black 

 border narrow, traversed by a more or less 

 complete transverse subterminal series of 



bluish-white spots. dimorphic P. hippia, p. 278. 



/. c?. Upperside fore wing: terminal black 

 border broad, not traversed by a transverse 

 subterminal series of spots*. $ mono- 

 morphic. 



a'. cJ. Upperside hind wing: terminal black 

 border of even width throughout, not 



narrowed posteriorly P. ceylanica, p. 281. 



//. <3 . Upperside hind wing : terminal black 

 border not of even width throughout, 

 distinctly narrowed posteriorly P. pingasa, p. 280. 



058. Pareronia avatar, Moore (Erouia), Cat. Lep. Mus. E. I. C. i, 

 1857, p. 61, pi. 2o, fig. 1 rf; de N. (Erouia) J. A. 8. B. 1881, 

 p. o9 ; Elwes (Eronia), Trans. Ent. Soc. 1888, p. 419 ; de N. 

 (Nepheronia) J. A. 8. B. 1882, p. 64. 



S . Upperside : very pale blue. Eore wing : costa above the 

 cell, apex very broadly and terineii black; this colour occupies 

 the apex above vein 6 (except a narrow short streak of the ground- 

 colour at base of interspace 6) and extends down the termen to 

 the tornus, decreasing in width posteriorly and prolonged a short 

 distance inwards along each vein ; median vein lined with black. 

 Hind wing: veins more or less lined with black; a narrow 

 black border to the termen. Underside : pale silvery blue, the 

 veins more or less brownish or black and conspicuous, the parts 



* Occasionally an individual occurs with a minute speck or two of this 

 series present. 



