COLIAS. 239 



633. Colias alpherakii, Stawlinger, Berl. ent. Zeits. xxvi, 1882, 



p. 104 ; Gr.-Gi: Rom. Mem. iv, 1890, p. 337, pi. 3, figs. 2 a, 2b, 

 2c,d$- 



<S . Upperside : pale sulphur-yellow. Fore wing : the base and 

 the veins lightly irrorated with black scales ; an oval black spot 

 on the discocellulars ; the terminal third of the wing black with 

 the inner border of the black area irregular and diffuse ; a 

 transverse subterrainal series, that anteriorly is curved backwards, 

 of somewhat rectangular spots of the ground-colour superposed 

 down the middle. Hind wing : the base and central portion irro- 

 rated with black scales ; a pale discocellular ill-defined spot, and 

 some anterior terminal black markings that vary considerably in 

 extent and are not alike in any two specimens. Cilia of both fore 

 and hind wings -prominent and of the same tint as the ground- 

 colour of the wings. Underside : ground-colour similar, both fore 

 and hind wings with extensive irroration of black scales which 

 varies considerably in amount ; in some specimens it is very 

 dense and gives a blackish tint to the ground-colour, especially on 

 the hind wing. Fore wing : the discocellular spot as on the 

 upperside but much larger; some variable lower discal black 

 markings generally confined to interspaces 1 and 2. Hind wing : 

 uniform, a prominently white round discocellular spot; the terminal 

 margin broadly paler with the irroration of black scales decreasing 

 greatly in density. Antennae, head, thorax and abdomen con- 

 colorous with the ground-tint ; the club of the antennae more or 

 less brownish, sometimes pink. 2 Upperside : ground-colour 

 white, very faintly suffused with yellow ; the markings similar to 

 those of the d Underside : differs from that of the c? as 

 follows : Fore wing : ground-colour white, the apex suffused with 

 yellow and the irroration of black scales chiefly confined to that 

 area. Hind wing : also white but suffused all over with yellow 

 and with the dusting of black scales, except along the terminal 

 margin, very dense as in some males. Antennae, head, thorax and 

 abdomen as in the male, but the club of the antennae in most 

 specimens that I have seen more generally pink. 



Exp. c? 2 49-66 mm. (1-94-2-60"). 



Hob. Recorded within our limits from Chitral only. 



634. Colias dubia, Elwes, P. Z. S. 1906, p. 481, pi. 36, figs. 8, 9, rf 2 . 



d" . Upperside : orange. Fore wing : base and costa narrowly, 

 apex and ternien broadly black ; veins and discocellular spot 

 black ; very slender, somewhat obscure, subterminal pale yellow- 

 streaks cross the black border in each interspace ; these start 

 from a transverse series of yellow spots that traverse the inner 

 side of the same border. Hind wing : posterior half dusky 

 greenish, shaded by an irroration of black scales that extends down- 

 wards towards the disc under a clothing of long greenish-yellow 

 hairs ; a subterminal yellow and a terminal black band, the latter 

 commencing above on the costa and both crossed by the slender 



