Xylorycta amphileuca Lower, 1902.
Xylorycta amphileuca Lower, 1902. Descriptions of new genera and species of Australian Lepidoptera. Transactions of the Royal Society of South Australia 26: 212–247 . Holotype SAMA ♂, Derby, WA.
Xylorycta amphileuca Lower, 1902. Common, in Nielsen, Edwards, & Rangsi, 1996, Checklist of the Lepidoptera of Australia. Monographs on Australian Lepidoptera, 4: i-xiv, 1-529 & CD-ROM .
Xylorycta amphileuca Lower, 1902. Edwards, E. D. (2003), Xyloryctinae. Australian Faunal Directory. Australian Biological Resources Study, Canberra. http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/XYLORYCTINAE [accessed 19 June 2010].
Original description, Lower 1902
Xylorycta amphileuca, n. sp.
Ma1e, 30 mm. Head, thorax, palpi, and antennae grey-whitish, terminal joint of palpi fuscous beneath, patagia shining snow-white, antennal ciliations nearly 1. Legs fuscous-whitish, posterior pair slightly ochreous tinged. Abdomen light fuscous, segmental margins dull silvery, two anterior segments dull orange. Forewings elongate, moderate. termen slightly rounded; 2 from three-fourths; 5 nearer 4 than to 6; shining snow-white; a fine fuscous streak along costa from base to middle, thence continued to apex as an obscure ochreous-fuscous streak; cilia shining snow-white. Hindwings with 6 and 7 connate, 3 and 4 very short stalked; greyish-fuscous; cilia snow-white, pale ochreous at base, with light fuscous subbasal line.
Nearest orectis, Meyr., but differs from that and the allied species by the absence of orange on head and fuscous hind-wings.
Derby, Western Australia; one specimen, in October.
Flight period: October.
Distribution: Northern Territory, Western Australia. Endemic. (Edwards, 2003).