The pale November moth (''Epirrita christyi'') is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family

Geometridae The geometer moths are moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyleti ...

. The species was first described by Allen in 1906. It is a fairly common species in Western Europe including the British Isles. This species is almost identical to its relatives the

November moth The November moth (''Epirrita dilutata'') is a moth of the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It can be found in the Palearctic realm in western Europe from central Scandinavia ...

, the small autumnal moth and the autumnal moth and it is almost impossible to identify them without examination of the

genitalia A sex organ, also known as a reproductive organ, is a part of an organism that is involved in sexual reproduction. Sex organs constitute the primary sex characteristics of an organism. Sex organs are responsible for producing and transporting ...

. See Townsend et al. Jaan Viidalepp and Axel Hausmann, 2013 In: Axel Hausmann (Hrsg.): ''The Geometrid Moths of Europe''. 1. Auflage. Volume 3: Larentiinae I. Apollo Books, Stenstrup 2013, In general, although

melanism Melanism is the congenital excess of melanin in an organism resulting in dark pigment. Pseudomelanism, also called abundism, is another variant of pigmentation, identifiable by dark spots or enlarged stripes, which cover a large part of the bod ...

occurs regularly in this species it is less prevalent than in the November moth. The pale November moth flies at night from September to November and is attracted to light. The

larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...

feeds on a variety of trees and

shrub A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

s (see list below). The species overwinters as an

egg An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the ...

. #''The flight season refers to the British Isles. This may vary in other parts of the range.''

Recorded food plants

*''Acer'' -

maple ''Acer'' is a genus of trees and shrubs commonly known as maples. The genus is placed in the soapberry family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated si ...

*''Betula'' -

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 3 ...

*''Corylus'' -

hazel Hazels are plants of the genus ''Corylus'' of deciduous trees and large shrubs native to the temperate Northern Hemisphere. The genus is usually placed in the birch family, Betulaceae,Germplasmgobills Information Network''Corylus''Rushforth, K ...

*''Crataegus'' - hawthorn *''Fagus'' -

beech Beech (genus ''Fagus'') is a genus of deciduous trees in the family Fagaceae, native to subtropical (accessory forest element) and temperate (as dominant element of Mesophyte, mesophytic forests) Eurasia and North America. There are 14 accepted ...

*''

Prunus ''Prunus'' is a genus of flowering plant, flowering trees and shrubs from the family (biology), family Rosaceae. The genus includes plums, cherries, peaches, nectarines, apricots and almonds (collectively Drupe, stonefruit). The genus has a cosm ...

'' *''Quercus'' -

oak An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...

*''

Sorbus ''Sorbus'' is a genus of over 100 species of trees and shrubs in the rose family, Rosaceae. Species of ''Sorbus'' ('' s.str.'') are commonly known as rowan or mountain-ash. The genus used to include species commonly known as whitebeam, cheque ...

'' *''Ulmus'' -

elm Elms are deciduous and semi-deciduous trees comprising the genus ''Ulmus'' in the family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical- montane regions of North America and Eurasia, ...

References

Chinery, Michael Michael Chinery (born 1938, in London) is an English naturalist. He studied in Cambridge where he graduated in natural sciences and anthropology. He edits '' Cecidology'', the journal of the British Plant Gall Society The British Plant Gall ...

''Collins Guide to the Insects of Britain and Western Europe'' 1986 (Reprinted 1991) * Skinner, Bernard ''

Colour Identification Guide to the Moths of the British Isles ''The Colour Identification Guide to Moths of the British Isles (Macrolepidoptera)'' by Bernard Skinner is a single volume identification guide to the macromoths of Britain and Ireland. The first edition was published in 1984, and a second, revis ...

'' 1984

External links

Pale November at ''UKMoths''''Fauna Europaea''''Lepiforum e.V.''''De Vlinderstichting''
Epirrita Moths described in 1906 Moths of Europe {{Operophterini-stub