404 LTC.ENID.E. 
Chrysophanus standfussi. (Plate xxx. fig. 10,6 .) 
Polyommatus standfussi, Grura-Grsliimailo, Horae Ross. 1891^ p. 450. 
" Supra alis J brunnesceuti-fuscis, lilacino refulgentibus, albo ciliatis, nervis rubesoentibus ; limbo 
externo, snrie macularum antelimbalium, fere faseiam forraantium, punctis centrali et cellulari 
aiiticarum ct discocollulari posticarum nigris. 
" Alas 2 differunt parte apicali disci aurantiaca. 
" Subtus alis cinereis, disco anticarum $ aurantiaco ; maculis anticarum nigris, posticarum 
fuscescentibus. 
"Exp. J $ 12-13 millim. [24-26 millim.]. 
" In montibus ad Siniu, in regione Amdo dicta, detectus." {Gr.-Gr. I. c.) 
Male. Primaries brovn tinged witb purple ; neuration and discoidal cell fulvous : the black spot 
about the centre, and another almost quadrate at the end of the cell; beyond there is a 
transverse series of black spots placed in pairs ; outer margin broadly black. Secondaries 
blackish, slightly tinged with purple in places towards outer margin ; a black bar closing the 
cell is followed by an indistinct series of black spots. Under surface cinereous, disc of pri- 
maries suffused with fulvous brown, spotted as on upper surface, but with an additional spot 
towards base of the wing : secondaries with a discal bar preceded by some spots on the basal 
area and followed by an irregular transverse macular band, all brownish, as also is the in- 
distinct submarginal band. 
Femcde. Similar to the male, but the primaries are bright fulvous. 
Chinese siiecimens of C. (P.) standfussi do not differ from examples of the 
species kindly sent to me by M. Grum-Grshimailo, except that they are larger, 
and the spots on under siu-face of secondaries are less distinct. My native 
collectors met with this insect in some numbers on the high plateau beyond 
Ta-chien-lu. 
Genus ILERDA. 
Ilerda, Doubleday, List Lep. B. M. ii. p. 25 (1847) ; Hewitsou, 111. Diurn. Lep. p. 5 
(1865) ; de Niceville, Butt. Ind. iii. p. 322 (1890). 
" Fore luing : triangular, costa gently curved, male with the apex acute (much rounded in I. sena, 
KoUar), outer margin nearly straight or somewhat convex (much rounded in /. sena), inner 
margin straight ; in the female the apes is more rounded than in the male, and the outer 
margin is very convex ; costal uervure terminating about opposite to the apex of the discoidal 
cell ; first subcostal nervule well removed from the costal nervure, originating at about two 
thirds of the length of the discoidal cell from its base ; second subcostal with its base nearer 
to that of the upper discoidal thau to that of the first subcostal ; third subcostal somewhat 
long, given off about midway between the apex of the cell and of the wing; upper discoidal 
nervule originating exactly at the point where the middle discocellular nervule is given off; 
middle and lower discocellular nervules nearly straight and nearly upright, the lower rather 
longer than the middle ; second median nervule given off a short distance before the lower 
end of the cell ; submedian neiTure straight. 
" Hind wiiifi : somewhat lengthened, usually furnished with a moderate-sized tail at the termi- 
nation of the first median nervule ; the tail, however, is reduced to a mere tooth in some 
