''Herminia grisealis'', the small fan-foot, is a

litter moth The Herminiinae are a subfamily of moths in the family Erebidae. The members of the subfamily are called litter moths because the caterpillars of most members feed on dead leaves of plants, though others feed on living leaves, and/or the mushroom ...

of the family Erebidae. It is found in Europe. The eastern expansion is across the Palearctic to the

Ussuri River The Ussuri or Wusuli (russian: Уссури; ) is a river that runs through Khabarovsk and Primorsky Krais, Russia and the southeast region of Northeast China. It rises in the Sikhote-Alin mountain range, flowing north and forming part of the S ...

and after that Japan. In the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Swi ...

it rises up to a height of 1300 meters.

Description

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 o ...

is 24–28 mm. The length of the forewings is 11–13 mm. This species shows three darker lines crossing the greyish brown wings. The top and the lower lines run straight or lightly curved, while the middle one is undulating.

Technical description

The forewing is grey brown often with a yellow tinge; lines dark brown; the inner straight, oblique, thick; the subterminal thick, concave outwards, curving into apex; outer line fine, sickle shaped; a short dark line at end of cell; hindwing quite pale grey with outer and subterminal obscure lines.Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914

Biology

Small fan-foot usually rest during daylight, beginning their activities in early dusk. These moths fly in one or two generations from early May to mid-August. . Larva is blackish grey, with a dorsal row of black triangles edged behind with yellowish grey, and black lateral oblique streaks; other descriptions make it reddish yellow grey. The larvae feed on various shrubs and deciduous trees such as

oak An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ''L ...

alder Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few sp ...

birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech- oak family Fagaceae. The genus ''Betula'' contains ...

, '' Crataegus'', bird cherry, ''

Corylus avellana ''Corylus avellana'', the common hazel, is a species of flowering plant in the birch family Betulaceae. It is native to Europe and western Asia. It is an important component of the hedgerows that were the traditional field boundaries in lowland En ...

'', ''

Rubus ''Rubus'' is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, with over 1,350 species. Raspberries, blackberries, and dewberries are common, widely distributed members of the genus. Most of the ...

'', ''

Clematis vitalba ''Clematis vitalba'' (also known as old man's beard and traveller's joy) is a shrub of the family Ranunculaceae. Description ''Clematis vitalba'' is a climbing shrub with branched, grooved stems, deciduous leaves, and scented greeny-white flo ...

'' and also fallen leaves.

Notes

# ''The flight season refers to

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...

and

The Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. This may vary in other parts of the range.''

References

External links

Small Fan-foot at UKmothsFauna EuropaeaLepiforum.deVlindernet.nl
Herminiinae Moths described in 1775 Moths of Asia Moths of Europe Moths of Japan Taxa named by Michael Denis Taxa named by Ignaz Schiffermüller {{Herminiinae-stub