''Xanthia icteritia'', the sallow, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

. It is found in the

Palearctic realm The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

(Europe except for the furthest south, and east to

Central Asia Central Asia, also known as Middle Asia, is a subregion, region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes t ...

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

, and

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

). The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is 27–35 mm. The moth is similar to the pink-barred sallow ('' Xanthia togata'') but the median fascia usually differs. In some cases it is missing completely, in others the wings show a very small annular spot.

Technical description and variation

Forewing pale yellow; markings the same as in Xanthia togata, but the cloud on costa beyond submarginal line, the costal end of the median shade, and the subbasal costal blotch prominently dark brown; the dark blotch at base of reniform with a pale centre; the fringe yellow; head and shoulders pale yellow; hindwing whitish; — ''flavescens'' Esp. is a unicolorous form in which all the brown lines and shading are absent, the lines and edges of the stigmata being sometimes represented by slender faint rufous lines, the lower end of the reniform stigma alone remaining deep brown and the fringes reddish brown; an intermediate form occurs in which the markings are pale reddish brown, either distinct or faint, and approaching; ''asiatica'' Hmps. from the Sir Daria, has more orange yellow forewings, with dark brown markings, the antemedian and postmedian costal patches absent; the fringe dark brown at tips.

Biology

The moth flies from July to October depending on the location. The larvae are difficult to tell apart from the pink-barred sallow (''Xanthia togata'') and the larvae feed on

willow Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist s ...

and poplar.

References

External links

Sallow at UKmoths
Taxonomy
Fauna EuropaeaLepiforum.deVlindernet.nl
{{Taxonbar, from=Q883546 Cuculliinae Moths described in 1766 Moths of Asia Moths of Europe Moths of Japan Taxa named by Johann Siegfried Hufnagel