Plectophila micradelpha (Turner, 1898)
Lichenaula micradelpha Turner, 1898, The Xyloryctidae of Queensland. Annals of the Queensland Museum 4: 1–32 . Syntype(s) ANIC 2♂♀, Brisbane, Qld.
Lichenaula micradelpha Turn. Turner, 1917: Lepidopterological gleanings. Proceedings of the Royal Society of Queensland 29: 70-106 .
Plectophila micradelpha (Turner, 1898). Common, in Nielsen, Edwards, & Rangsi, 1996, Checklist of the Lepidoptera of Australia. Monographs on Australian Lepidoptera, 4: i-xiv, 1-529 & CD-ROM .
Plectophila micradelpha (Turner, 1898). Beccaloni, G. W., Scoble, M. J., Robinson, G. S. & Pitkin, B. (Editors). 2003. The Global Lepidoptera Names Index (LepIndex). World Wide Web electronic publication. http://www.nhm.ac.uk/entomology/lepindex [accessed 26 April 2010].
Plectophila micradelpha (Turner, 1898). 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 17 June 2010].
Original description, Turner 1898
Lichenaula micradelpha, n. sp. Male and female, 14-16 mm. Antennae in male thickened, slightly serrulate; ciliations extremely short, about 1/6. Forewings with vein 7 to just below apex. Head and face white. Palpi white, terminal joint fuscous towards apex. Antennae fuscous. Thorax white. Abdomen grey. Legs whitish. Forewings elongate, costa gently arched, apex round-pointed, hindmargin nearly straight, oblique; white, inner and hindmarginal portions of disc more or less suffused with greyish; costal edge fuscous towards base; a narrow fuscous line along fold; a longitudinal fuscous line in central third of disc; an outwardly oblique greyish line from costa at 2/3 towards hindmargin, sharply bent in disc and continued to anal angle, posteriorly this line is margined with white, anteriorly it is more or less lost in the greyish suffusion; a short fuscous longitudinal streak from apex; a greyish suffusion along hindmargin cilia greyish with a narrow white basal line. Hindwings and cilia pale-grey.
The angulated fascia recalls L. oxygona, Lucas [Plectophila discalis]. Brisbane: two specimens taken by Mr. Illidge.
To this genus I refer Lichenaula choriodes Meyr., [Clerarcha] poliochyta Turn., and micradelpha Turn. (Turner, 1917).
Distribution: Queensland. Endemic. (Edwards, 2003).