LYCiENA. 



301 



along the lateral ridge is a whitish line commencing on the third segment and continued 

 round the anal extremity. Eetwcen the dorsal and subdorsal lines on segments three to ten 

 are faintly paler oblique lines of yellow-green, viz. one on each segment sloping downwards 

 and backwards ; the warts on the twelfth segment are very often suddenly projected con- 

 siderably, and then a circle of fine short hairs is visible on their extremities. The surface of 

 the body is also clothed with similar hairs. The head is black, having the base of the papilla) 

 and a streak across above the mouth of buff-colour. 



" The ^m^M is about five lines long, smooth, but without polish, the top of the head slightly pro- 

 jecting, the thorax rounded, the abdomen plump, curving on the back outwards and back- 

 wards towards the tip, which is hidden in the larva skin, the wing-cases prominent and long 

 in proportion. It is of a dull green tint, with a dark brown dorsal line of arrow-head marks." 

 {Buchler, Larvce of Brit. Butt. ^- Moths, i. pp. 115, 116.) 



Feeds on Ornithopus purpusillus and probably also Genista anc/elica. 



Yar. micrargUS, Butler. " Above very like L. argia [? argus] and L. cvgon ; lilac, with dentated 

 blackish outer border and snow-white fringes ; below with the ground-colour of L. j^ylaon 

 (triton ?, Pabr.) ; the markings exactly as in L. argus, excepting that the submarginal black 

 spots of the secondaries have no trace of metallic colouring about them, and the orange belt 

 connecting the two series of black spots is paler. Expanse of wings 1 inch 1 lino. Tokio, 

 Japan." {Butler, Cistula.) 



Var. pseudSBgon, Butler. " Nearest to L. cvgon of Europe, the same colours. The male smaller, 

 and with a very narrow black outer border to the wings ; fringe narrower, submarginal 

 black spots of secondaries rather smaller ; female very faintly shot with steel-blue at the 

 base of primaries, submarginal orange lunulcs obsolete ; secondaries darker, purplish towards 

 the base, bluish at the base ; the whole of the black submarginal spots bounded internally 

 by orange lunules, and externally by white ones. Under surface greyer than in L. cegon, 

 both sexes washed with pale greenish blue at the base ; black spots smaller, but arranged 

 exactly in the same way ; submarginal orange spots of the primaries of the male extremely 

 pale ; those of the secondaries destitute of metallic spots in both sexes. Expanse of the 

 wings, (S 1 inch 2 lines, $ 1 inch 3 lines. Iburi, Hokkaido [Yesso], July. CoU. 

 M. Fenton." (Butler, P. Z. S.) 



Common at Gensan, Corea, in June and July. It occurs also in Yesso and 

 in the mountain districts of Central Japan. Corean specimens are usually 

 much above the average size. 



I have given the original description of micrargus (ind psettdcBc/on, Butler> 

 as the names may perhaps be retained for the respective Japanese forms to 

 which they refer. 



Distribution. Europe, Asia Minor, Armenia, Persia, Eastern Siberia, Corea, 

 Japan, 



Lycsena argus. (Plate XXXI. figs. 5, 8, var.) 



Papilio argus, Linnaeus, Syst. Nat. x. p. 483 (1758) ; Faun. Suec. p. 283 (1761). 



2s 



