Lampropteryx suffumata

{{Short description|Species of moth}}

{{Speciesbox

| name = Water carpet

| image = Lampropteryx suffumata, Water Carpet, Trawscoed, North Wales, April 2017 (34269467540).jpg

| image_caption =

| taxon = Lampropteryx suffumata

| authority = (Denis & Schiffermüller, 1775)[https://web.archive.org/web/20160304215514/http://www.faunaeur.org/full_results.php?id=444708 Fauna Europaea]

| synonyms =

• Geometra suffumata Denis & Schiffermuller, 1775
• Cidaria arctica Sparre-Schneider, 1895

}}

Lampropteryx suffumata, the water carpet, is a moth of the family Geometridae. It is found from Europe to the Altai Mountains, Khabarovsk Krai and the Kamchatka Peninsula in the far east of Russia, and Hokkaido, Japan.{{Cite journal |last=Beljaev |first=Evgeny |last2=Vasilenko |first2=Sergei |date=2002-12-01 |title=An annotated checklist of geometrid moths (Lepidoptera: Geometridae) from the Kamchatka Peninsula and adjacent islands |url=https://journal.fi/entomolfennica/article/view/84161 |journal=Entomologica Fennica |language=en |volume=13 |issue=4 |pages=195–235 |doi=10.33338/ef.84161 |issn=2489-4966|doi-access=free }}{{Cite journal |last=Beljaev |first=E.A. |date=2022 |title=Fauna of the geometrid moths (Lepidoptera, Geometridae) of the eastern Sikhote-Alin in the Botchinsky Reserve II. Subfamilies Larentiinae and Sterrhinae, and zoogeographical analysis. |url=https://www.biotaxa.org/azj/article/view/80269 |journal=Amurian Zoological Journal |volume=14 |pages=676-707}} In 2000, the species was discovered in Alaska, United States, and then in 2008 DNA-barcoding analysis of museum specimens identified several Canadian specimens,{{Cite journal |last=deWaard |first=Jeremy R. |last2=Schmidt |first2=B. Christian |last3=Anweiler |first3=Gary G. |last4=Humble |first4=Leland M. |date=2008-12-31 |title=First Canadian records of Lampropteryx sujfumata ([Denis & Schiffermiiller], 1775) (Geometridae: Larentiinae) |url=https://journal.entsocbc.ca/index.php/journal/article/view/36 |journal=Journal of the Entomological Society of British Columbia |language=en |volume=105 |pages=19–25 |issn=1929-7890}} thereby extending the geographical range from Ireland in the west, across Eurasia, to the west of North America. The habitat consists of damp woodland, grassy areas, chalk downland and scrubland.