Insecta : Lepidoptera : GeometridaeButterflies and Moths

Ematurga atomaria (Linnaeus, 1758)

Common Heath

Ematurga atomaria

Description: Wingspan 22-34mm. Adults are day-flying and variable in colour, which can range from yellowish brown to dark brown. Males have comb-like antennae and are often seen at rest on heather. Females are often brown with a dusting of white. They can in some cases be almost white with a series of brown crosslines. From mid- April to early August

World Distribution: Throughout Europe to Siberia.

Irish Distribution: Common and widespread throughout all counties.

Ecology: A small day-flying moth, associated mainly with heaths and bogs. Adults are frequently seen by day flying in sunshine. During dull and inclement weather they settle low down among the heather and other vegetation making them more difficult to detect. One of the most commonly encountered day-flying moths found in N. Ireland. The larvae occur from July to September on heather, clovers and trefoils. It overwinters in the pupal stage.

Key Identification Features:

  • Day-flying
  • Mottled appearance with darkish crosslines
  • Males have comb-like antennae

Distribution Map from NBN: Ematurga atomaria at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Ematurga atomaria at iNaturalist World Species Observations database.

 Thompson, R. & Nelson, B. (2023). Ematurga atomaria. (Linnaeus, 1758). [In] Moths of Northern Ireland.
https://habitas.org/moths/species.php?item=6044. Accessed on 2026-11-02.