Tribe, Papiliones. Family, Polyommatidæ. Sub-family, Theclanæ, Nob.
Sub-Generic Character.
Palpi, in both sexes, very long, thick, porrect, twice as long as the head, curved downwards, all the joints entirely covered with close-set scales, posterior wings six-tailed.
Specific Character.
Above shining blue: beneath emerald-green, marked with minute black waved lines.
Papilio imperialis. Cramer, Pl. 75. f. E. F.
Hesperia Venus. Fab. Ent. Sys. 3. 1. 268.