Hampson, 1900; Cat. Lep. Phalaenae Br. Mus. 2: 239, pl. 25, f. 30

500. Josiodes cerulescens, n. sp. (Plate XXYV. fig. 30.)
Black, strongly suffused with blue. Fore wing with broad oblique pale yellow band with rather irregular edges from just below costa to just above tornus, where it contracts and is bent inwards.
‘Hab. Cotomsta, Rio San Juan, 1 ¢ type, Q in Coll. Staudinger. Exp., 3 38, 2 46 millim


Seitz:
J. caerulescens Hmps. (35 e) is distinguished by an intense blue lustre; the oblique spot of the forewing is light yellow and removed more towards the margin. Expanse of wings: <$ 38 mm, $ 46 mm. Colombia.