Eupithecia extensaria

{{Short description|Species of moth}}

{{Speciesbox

| image = Scarce Pug Moths of the British Isles.jpg

| image_caption =

| genus = Eupithecia

| species = extensaria

| authority = (Freyer, 1844){{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82856792 |title=Eupithecia extensaria (Freyer 1844) |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160324223852/http://www.taxapad.com/local.php?taxonidLC=82856792 |archive-date=24 March 2016}}

| synonyms =

• Acidalia extensaria Freyer, 1844
• Eupithecia sydyi Staudinger, 1885
• Larentia prolongata Lienig, 1846
• Eupithecia prolongata Dietze, 1910

}}

Eupithecia extensaria, the scarce pug, is a moth of the family Geometridae. The species was first described by Christian Friedrich Freyer in 1844.

It is found in the British Isles (rare, and confined to eastern saltmarshes), Spain and eastern Europe.{{cite web |last=Savela |first=Markku |url=http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/geometroidea/geometridae/larentiinae/eupithecia/#extensaria |title=Eupithecia extensaria (Freyer, 1844) |website=Lepidoptera and Some Other Life Forms |accessdate=29 April 2019}}

The wingspan is 21–25 mm.{{cite web|url=https://ukmoths.org.uk/show.php?id=3102 |title=1847 Scarce Pug Eupithecia extensaria|author=Ian Kimber|website=UKMoths|accessdate=26 January 2013}}

The moth flies in both May and June.

The larvae feed on sea wormwood (Artemisia maritima).Wikisource:The Moths of the British Isles Second Series/Chapter 9#238