Wednesday, June 30, 2010

Xylorycta bipunctella

Xylorycta bipunctella (Walker, 1864)

Xylorycta bipunctella, ♂,  holotype. Photograph by Patrick Strutzenberger, ©BMNH.

Cryptolechia bipunctella Walker, 1864, Tineites. List of the Specimens of Lepidopterous Insects in the Collection of the British Museum. Vol. 29. 562–835 pp. [749]. Holotype BMNH ♂, Australia.
Telecrates bipunctella, Walk. Meyrick, 1890, Descriptions of Australian Lepidoptera. Part I. Xyloryctidae. Transactions of the Royal Society of South Australia 13: 23–81 [63].
Xylorycta bipunctella (Walker, 1864). Common, in Nielsen, Edwards, & Rangsi, 1996, Checklist of the Lepidoptera of Australia. Monographs on Australian Lepidoptera, 4: i-xiv, 1-529 & CD-ROM [89].
Telecrates bipunctella, Walker 1864. Beccaloni, G. W., Scoble, M. J., Robinson, G. S. & Pitkin, B. (Editors). 2003. The Global Lepidoptera Names Index (LepIndex). World Wide Web electronic publication. [accessed 5 May 2010].
Xylorycta bipunctella (Walker, 1864). Edwards, E. D. (2003), Xyloryctinae. Australian Faunal Directory. Australian Biological Resources Study, Canberra. [accessed 19 June 2010].

Original description, Walker 1864
Cryptolechia bipunctella.
Mas. Nivea; palpi articulo 2o nigro; antennae subpubescentes: alae anticae punctis duobus discalibus nigricantibus, costa basi nigra; posticae pallide cinereae.
Male. Pure white. Palpi smooth, nearly twice longer than the breadth of the head; second joint mostly black; third setiform, shorter than the second. Antennae very minutely pubescent. Fore wings slightly rounded at the tips; two blackish points in the disk at two-thirds of the length, one behind the other; costa black towards the base; exterior border straight, moderately oblique; under side blackish. Hind wings pale cinereous. Length of the body 6 lines [12.7mm]; of the wings 14 lines [29.6mm].
a. Australia. Presented by Major-Gen. Hardwicke.
Subsequent description, Meyrick 1890
Tel. bipunctella, Walk.
(Cryptolechia bipunctella, Walk. 749.)
Male 24-25 mm. Head, thorax, and abdomen ochreous-white, sides of face fuscous. Palpi white, upper half of second joint dark fuscous. Antennae whitish-fuscous. Legs dark fuscous, apex of joints whitish, posterior pair whitish. Forewings elongate-oblong, costa moderately arched, apex round-pointed, hindmargin faintly sinuate, oblique; ochreous-white, costa more ochreous-tinged; costal edge dark fuscous towards base; two moderate roundish dark-grey dots transversely placed in disc at 2/3: cilia white. Hindwings with veins 6 and 7 from a point or short-stalked; ochreous-whitish, slightly greyish-tinged; cilia white.
Launceston, Tasmania; in December and January, three specimens.
Food plants:
Flight period:  December, January.
Distribution: Australia, Endemic. (Edwards, 2003).