Epermenia chaerophyllella, also known as the garden lance-wing, is a moth of the family Epermeniidae first described by Johann August Ephraim Goeze in 1783.

[7] The body sometimes appear translucent and can be glossy white, yellow or greenish, with black or brown spots and a whitish dorsal line.

[6] Larva of Epermenia aequidentellus found on wild carrot (Daucus carota) have a dark dorsal line and a black head.

[6] The larvae feed on various Apiaceae species, including ground elder (Aegopodium podagraria), garden angelica (Angelica archangelica litoralis), angelica (Angelica sylvestris), bur-chervil (Anthriscus caucalis), chervil (Anthriscus cerefolium), cow parsley (Anthriscus sylvestris), celery (Apium graveolens), lesser water-parsnip (Berula erecta), caraway (Carum carvi), Chaerophyllum hirsutum, rough chervil (Chaerophyllum temulum), cowbane (Cicuta virosa), hemlock (Conium maculatum), wild carrot (Daucus carota), giant hogweed (Heracleum mantegazzianum), hogweed (Heracleum sphondylium), lovage (Levisticum officinale), water dropwort (Oenanthe species), parsnip (Pastinaca sativa), Peucedanum species, burnet-saxifrage (Pimpinella saxifraga), moon carrot (Seseli libanotis), Silaum species, stone parsley (Sison amomum),[8] great water-parsnip (Sium latifolium) and hedge parsleys (Torilis species).

[7] The light brown pupa is in an open network cocoon and is normally found in detritus on the ground or occasionally on the leaf, or in a petiole groove.