Tetrathemis irregularis

{{Short description|Species of dragonfly}}

{{Speciesbox

|image = Blue-eyed Dragonfly (Tetrathemis irregularis) (8076653781).jpg

|image_caption = Tetrathemis irregularis, Malaysia

|status = LC

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Dow, R.A. |date=2017 |title=Tetrathemis irregularis |volume=2017 |page=e.T167460A87529569 |doi=10.2305/IUCN.UK.2017-1.RLTS.T167460A87529569.en |access-date=20 November 2021}}

|genus = Tetrathemis

|species = irregularis

|authority = Brauer, 1868{{Cite journal|last=Brauer|first=Friedrich|year=1868|title=Neue und wenig bekannte vom Herrn Doct. Semper gesammelte Odonaten|url=https://www.biodiversitylibrary.org/page/25254146|journal=Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien|language=de|volume=18|pages=167–188 [183]|via=Biodiversity Heritage Library}}

|range_map = Tetrathemis irregularis distribution map.svg

}}

Tetrathemis irregularis is a species of dragonfly in the family Libellulidae,{{Cite web|url=https://biodiversity.org.au/afd/taxa/Tetrathemis_irregularis|title=Species Tetrathemis irregularis Brauer, 1868|date=2012|website=Australian Faunal Directory|publisher=Australian Biological Resources Study|access-date=26 February 2017}}{{World Odonata List}}

known as the rainforest elf.{{Cite book|title=The Complete Field Guide to Dragonflies of Australia|last=Theischinger|first=Günther|last2=Hawking|first2=John|publisher=CSIRO Publishing|year=2006|isbn=978 0 64309 073 6|location=Collingwood, Victoria, Australia|pages=258}}

It is a tiny to small, slender dragonfly with black and yellow markings. It inhabits rainforest streams in north-eastern Australia{{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=239|last1=Theischinger|first1=Gunther|url=http://www.environment.nsw.gov.au/resources/publications/09730AustOdonata.pdf}}

and Southeast Asia, including the Aru Islands.{{Cite book|title=The Australian Dragonflies: A Guide to the Identification, Distributions and Habitats of Australian Odonata|last=Watson|first=J.A.L.|last2=Theischinger|first2=G.|last3=Abbey|first3=H.M.|publisher=CSIRO|year=1991|isbn=0643051368|location=Melbourne|pages=278}}