Episcepsis leneus (Cramer, [1779]) Original description, as Sphinx leneus: Cramer, P. ([1779]). De uitlandsche Kapellen voorkomende in de drie Waereld-Deelen Asia, Africa en America (Papillons exotiques des trois parties du monde), vol. 3: p. 95, pl. 248 fig. G. Translated from the Dutch original (with parallel French text). Fig. G. Leneus. Has thread-like antennae. The wings beneath do not differ from the upper side, namely brown. The tip of the forewings is white, and on the hindwings in the middle there is a white spot. The abdomen is covered with glittering sky-blue hairs. It may likewise be placed among the Bastard Hawk-moths [Sphinx adscitae]. It is found in Surinam. Hampson, G. F. (1898). Catalogue of the Lepidoptera Phalaenae in the British Museum, vol. 1 (Syntomidae): pp. 385-386, species no. 856. 856. Episcepsis leneus. Sphinx leneus, Cram. Pap. Exot. iii. pl. 248. G (1780); Druce, Biol. Centr.-Am., Het. i. p. 74; Kirby, Cat. Het. p. 164. Male. Head and thorax fuscous brown; back of head and shoulders with paired crimson spots; fore coxae crimson; abdomen metallic blue, the dorsal patch of hair brown; the ventral surface fuscous, with white patches on first three segments. Fore wing fuscous brown, with apical white patch. Hind wing fuscous with a slight bluish tinge; some hyaline in, below, and beyond cell; the tuft on inner area white. Female. Abdomen without white patches below. Hab. Mexico, Jalapa (Trujillo), 1 female; Costa Rica (Zürcher, Underwood), 2 males 1 female, Godman-Salvin Coll.; British Guiana, Demerara, 1 male. Exp. 36 millim. Draudt, M. (1915). Episcepsis. In: Seitz, A. (ed.), The Macrolepidoptera of the World, vol. 6, The American Bombyces and Sphinges: p. 129, pl. 20 b (German edition: Die Gross-Schmetterlinge der Erde 6: 129); as E. lenaeus. E. lenaeus Cr. (20 b). Head, thorax and forewings dark sepia-coloured, the latter with a white apical spot; the hindwings in the disc diaphanous, otherwise slate-coloured. In the neck 2 carmine spots. The bright red forehips separate the species easily from the very similar thetis. Abdomen above metallic blue, the hair at the base blackish-brown. The hair-tufts in the anal fold white in the male. Distributed from Mexico through Central America as far as Guiana and Surinam.