Individual records comprise of: [1204 Adult] . Description. Taxonomy Details; Rank: species Authority: BirdGuides IUCN Category: Not Evaluated BOU Category: British & Irish Rarity Status: Ungraded. Taxonomy Version: Butterflies & moths 1.0 Search. Least Yellow Underwing (Noctua interjecta) - The Moths of Suffolk. Large Yellow Underwing Larvae Crawling On Snow. Unlike Least Yellow Underwing, Lesser Yellow Underwing has :- 1.Clearly defined oval and kidney marks 2. Least Yellow Underwing have two crosslines just below the kidney mark, the inner one made up of broken arcs and the outer one of dots. Least Yellow Underwing Least Yellow Underwing - Noctua interjecta. The striped caterpillar that is crawling along the surface of fresh snow is the larval stage of a noctuid or owlet moth known as the Large Yellow Underwing (Noctua pronuba).Noctuids are dull-colored, medium-sized, nocturnal moths that are attracted to lights in the summer. Comparison of 1, 2, 5, 6. broad-bordered yellow underwing (Noctua fimbriata) 3. lesser broad-bordered yellow underwing (Noctua janthe) 4. least yellow underwing (Noctua interjecta. Flies actively in sunshine visiting flowers such as dandelion and buttercup. Least Yellow Underwing Noctua interjecta. There are 584 county records of 1204 individuals from 85 different sites. Butterflies and Moths Lesser yellow Underwing Ask about this Print. A clear row of triangular dots along the outer edge of the wing. Noctuidae : Noctua interjecta - mothdissection.co.uk This website presents images of British and European Lepidoptera preparations. 73.346 Least Yellow Underwing Noctua interjecta. On the wing this species is most likely to be confused with species of Pyrausta, although the black hindwing of the Small Yellow Underwing is traversed by a broad yellow band. Noctua comes is noticeably smaller than pronuba and so is named the lesser yellow underwing; its out-stretched wings measure 1.5 inches from tip to tip. The wingspan is 31–36 mm. Thank you. ID: The contrasting pale green of the collar (patagia) which is 'continued' onto the base of the costa is a good feature for recognising this species and the extremely similar N.janthe (Lesser Broad-bordered Yellow Underwing). Wingspan 31-36 mm. … The length of the forewings is 14–17 mm. It is designed as a reference tool to … First recorded in 1969. The oval and kidney marks are suffuse . Species; Additional images; Click here to support NatureSpot by making a donation - small or large - your gift is very much appreciated. Lunar Yellow Underwing Noctua orbona (Hufnagal, 1766) Larva: August-June. Often rests with its hindwings exposed. Technical description and variation. 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