Austroargiolestes calcaris

{{Short description|Species of damselfly}}

{{Speciesbox

| name = Powdered flatwing

| image =

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Hawking, J. |date=2009 |title=Austroargiolestes calcaris |volume=2009 |page=e.T163535A5612814 |doi=10.2305/IUCN.UK.2009-2.RLTS.T163535A5612814.en |access-date=20 November 2021}}

| taxon = Austroargiolestes calcaris

| authority = (Fraser, 1958){{Cite journal|last=Fraser|first=F.C.|date=1958|title=A new species of Argiolestes from New South Wales (Order Odonata)|url=https://www.biodiversitylibrary.org/page/38772967|journal=Proceedings of the Royal Society of New South Wales|volume=1956-57|pages=70–71 [70]}}

| range_map = Austroargiolestes calcaris distribution map.svg

}}

Austroargiolestes calcaris is a species of Australian damselfly in the family Argiolestidae,{{Cite web|url=https://biodiversity.org.au/afd/taxa/Austroargiolestes_calcaris |title=Species Austroargiolestes calcaris (Fraser, 1958)|last=|first=|date=2022|website=Australian Faunal Directory|publisher=Australian Biological Resources Study|access-date=1 November 2024}}

commonly known as a powdered flatwing.{{Cite book|title=The Complete Field Guide to Dragonflies of Australia|last1=Theischinger|first1=Günther|last2=Hawking|first2=John|publisher=CSIRO Publishing|year=2006|isbn=978-0-64309-073-6|location=Collingwood, Victoria, Australia|pages=56|quote=}}

It is endemic to south-eastern Australia, where it inhabits streams, deep pools and bogs, generally in mountainous areas.{{cite book|title=Identification Guide to the Australian Odonata|last2=Endersby|first2=Ian|date=2009|publisher=Department of Environment, Climate Change and Water NSW|isbn=978-1-74232-475-3|pages=199|last1=Theischinger|first1=Gunther|url=http://www.environment.nsw.gov.au/resources/publications/09730AustOdonata.pdf}}

Austroargiolestes calcaris is a medium-sized to large, black and pale yellow damselfly, strongly pruinescent when mature.

Like other members of the family Argiolestidae it rests with its wings outspread.{{Cite book|title=The Australian Dragonflies: A Guide to the Identification, Distributions and Habitats of Australian Odonata|last1=Watson|first1=J.A.L.|last2=Theischinger|first2=G.|last3=Abbey|first3=H.M.|publisher=CSIRO|year=1991|isbn=0643051368|location=Melbourne|pages=|quote=}}

Austroargiolestes calcaris appears similar to Austroargiolestes isabellae, which is found in the Sydney Basin.