Hyalurga leucophaea gabrielis Bryk, 1953 Walker, F. (1854). List of the Specimens of Lepidopterous Insects in the Collection of the British Museum. Part II. Lepidoptera Heterocera. Trustees of the British Museum, London; p. 334, no. 25 (as Dioptis leucophaea). Nigra, subtus alba; caput et thorax albo guttata; humeri lutei; alae nigro marginatae, antice luteo ex parte marginatae, apices versus nigrae, fascia obliqua alba albo venosa. Mas. Alae albo-hyalinae. Fem. Alae subcinereo-hyalinae, fascia alba postice vena nigra divisa. Black. Palpi, legs and abdomen white beneath, the latter with a black stripe. Thorax with a luteous spot on each side by the fore wings. Wings with black borders. Fore wings with an interrupted luteous border before and behind, black towards the tips, near which there is a short oblique white band with white veins. Male. Wings white-hyaline. Fem. Wings grayish hyaline, the white band divided hindward by a black vein. Length of the body 4 1/2 - 5 lines; of the wings 13 - 16 lines. a-c. Venezuela. From Mr. Dyson's collection. d. Para. Presented by Gordon Graham, Esq. Hering, M. (1925). Pericopidae. In: Seitz, A. (ed.), The Macrolepidoptera of the World, vol. 6, The American Bombyces and Sphinges. Alfred Kernen, Stuttgart; p. 450, pl. 65 c. H. leucophaea Wkr. (= osiba Drc.) (65 c). Thorax blackish-brown, patagia red-brown. Ground-colour of the wings in the male hyaline white, in the female quite dark greyish hyaline, veins black. Forewing with a black costal margin and hind-margin and apical half, the latter with a white subapical band in which the hindmost vein is dark at most. At the costal margin and hind-margin an orange longitudinal streak to the subapical band; the hind-marginal stripe is often shortened. Analis white. Hindwing with a black margin being at most partly filled up with reddish-yellow. Venezuela, Brazil, Peru.