Insecta : Lepidoptera : NoctuidaeButterflies and Moths

Helicoverpa armigera (Hubner, 1803)

Scarce Bordered Straw

Helicoverpa armigera

Description: Wingspan 38-42 mm. Forewing colouration can be variable ranging from ochreous to purplish brown. Antemedian and postmedian lines indistinct. Orbicular stigmata usually has a small dark central dot; reniform stigmata variable sometimes lighter or darker than base colour. Subterminal fascia darker with a well-defined outer edge. Hindwings creamy white with a broad darker terminal band. Recorded from July to October.

World Distribution: Tropical; it occurs throughout western and southern Europe and in the Azores and Canary Islands. It becomes scarcer further north, but has been recorded as far north as Finland.

Irish Distribution: A very rare migrant from Europe and occasionally accidentally imported on fruits etc. Recorded on a few occasions in N. Ireland at Dundrum in 1954, Killard Point National Nature Reserve in 1996, Murlough National Nature Reserve and Island Hill at Castleward Bay in 2000.

Ecology: This species is found commonly in southern Europe and North Africa where it can be a serious pest to cultivated crops. Adults are normally seen in the autumn in N. Ireland when they are attracted to light and Ivy Hedera helix blossom.

Key Identification Features:

  • Dark central dot in orbicular stigmata
  • Cream-coloured hindwings with broad dark terminal band

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

iNaturalist: Helicoverpa armigera at iNaturalist World Species Observations database.

 Thompson, R. & Nelson, B. (2023). Helicoverpa armigera. (Hubner, 1803). [In] Moths of Northern Ireland.
https://habitas.org/moths/species.php?item=6506. Accessed on 2026-11-02.