Insecta : Lepidoptera : GeometridaeButterflies and Moths

Scotopteryx chenopodiata (Linnaeus, 1758)

Shaded Broad-bar

Scotopteryx chenopodiata

Description: Wingspan 34-38mm. Adults are generally ochreous brown with a dark prominent central band, although there is often some variation between individuals. In contrast the hindwings are ochreous white. Mid-July to early September.

Irish Distribution: Widespread and commonly encountered throughout all counties including Rathlin Island.

Ecology: A common species found on a wide range of habitats including coastal heaths, and mature gardens. Adults come sparingly to light and are occasionally disturbed during the day from vegetation. It has a particular fondness for the flowers of ragwort and knapweed,which it visits after dusk. The larvae can be found from September to June on clovers and vetches. It overwinters as a larva.

Key Identification Features:

  • Prominent central band, usually darker
  • Small apical streak
  • Pale hindwings, faint crosslines

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

iNaturalist: Scotopteryx chenopodiata at iNaturalist World Species Observations database.

 Thompson, R. & Nelson, B. (2023). Scotopteryx chenopodiata. (Linnaeus, 1758). [In] Moths of Northern Ireland.
https://habitas.org/moths/species.php?item=5807. Accessed on 2026-11-02.