Wednesday, June 30, 2010

Xylorycta amphileuca

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 [238]. 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 [88].
Xylorycta amphileuca Lower, 1902. Edwards, E. D. (2003), Xyloryctinae. Australian Faunal Directory. Australian Biological Resources Study, Canberra. [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.
Food plants:
Flight period: October.
Distribution: Northern Territory, Western Australia. Endemic. (Edwards, 2003).