Mythimna nigrilinea (Leech, 1889) (previously known as Leucania nigrilinea) HADENINAE,   NOCTUIDAE,   NOCTUOIDEA

Don Herbison-Evans (donherbisonevans@yahoo.com) and Stella Crossley

(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

The adult moths of this species have a forewing that is brown with a long black triangle expanding from base to margin. The hindwings are brown fading to white at the base. The wingspan is about 3 cms.

underside
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)

The species has been found in

New South Wales.

drawing: by John Henry Leech, listed as Leucania nigrilinea,
On the Lepidoptera of Japan and Corea - Part III: Heterocera, Sect. II, Noctues and Deltoides,
Proceedings of the Zoological Society of London, 1889, Plate L, fig. 8,
image courtesy of Biodiversity Heritage Library,
digitized by Natural History Museum Library, London.

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Further reading

John Henry Leech,
On the Lepidoptera of Japan and Corea - Part III: Heterocera, Sect. II, Noctues and Deltoides,
Proceedings of the Zoological Society of London,
1889, pp. 482-483, No. 37, and also Plate 50, fig. 8.

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(written 1 December 2012, updated 2 September 2025)