Poecilasthena fragilis

{{Short description|Species of moth}}

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| taxon = Poecilasthena fragilis

| authority = Turner, 1942{{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82863497 |title=Poecilasthena fragilis Turner 1942 |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160326102733/http://www.taxapad.com/local.php?taxonidLC=82863497 |archive-date=26 March 2016 |accessdate=10 May 2018}}

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Poecilasthena fragilis is a moth in the family Geometridae. It is found in Australia, including New South Wales, Victoria and Tasmania.[http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/Poecilasthena_fragilis Australian Faunal Directory]