''Erannis'' is a

geometer moth The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives from the Ancient Greek ''geo'' γεω (derivative form of or "the earth"), and ''metr ...

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

Ennominae Ennominae is the largest subfamily of the geometer moth family (Geometridae) with some 9,700 described species in 1,100 genera. They are usually a fairly small moths, though some (such as the peppered moth) grow to be considerably large. This sub ...

erected by

Jacob Hübner Jacob Hübner (20 June 1761 – 13 September 1826, in Augsburg) was a German entomologist. He was the author of ''Sammlung Europäischer Schmetterlinge'' (1796–1805), a founding work of entomology. Scientific career Hübner was the author of '' ...

in 1825. It is placed by some

entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach ...

s in the

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

Erannini as the type genus, but others merge this group into the tribe

Boarmiini The Boarmiini (also often called ''Cleorini'') are a large tribe of geometer moths in the Ennominae subfamily. Description and systematics This family is sometimes massively expanded, with the closely related Bistonini, Bupalini, Erannini, Gno ...

Bistonini The Bistonini are a tribe of geometer moths in subfamily Ennominae. As numerous ennomine genera have not yet been assigned to a tribe, the genus list is preliminary. In addition, the entire tribe is sometimes merged into a much-expanded Boarmiini ...

. The adults of these smallish moths typically live in the crowns of their host trees. The genus is most diverse in the

Holarctic The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical region ...

; few of the twelve or so known

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

occur in adjacent regions.

Selected species

''Erannis''

include: * ''

Erannis ankeraria ''Erannis'' is a geometer moth genus of the subfamily Ennominae erected by Jacob Hübner in 1825. It is placed by some entomologists in the tribe Erannini as the type genus, but others merge this group into the tribe Boarmiini or Bistonini. Th ...

'' (Staudinger, 1861) * '' Erannis caspica'' László, 2003 * '' Erannis declinans'' (Staudinger, 1879) * ''

Erannis defoliaria The mottled umber (''Erannis defoliaria'') is a moth of the family Geometridae. It is common throughout much of the Palearctic region. The species was first described by Carl Alexander Clerck in 1759. Distribution The species can be found in w ...

'' (Clerck, 1759) – mottled umber * '' Erannis golda'' Djakonov, 1929 * '' Erannis jacobsoni'' Djakonov, 1926 * '' Erannis kashmirensis'' László, 2003 * ''

Erannis potopolskii ''Erannis'' is a geometer moth genus of the subfamily Ennominae erected by Jacob Hübner in 1825. It is placed by some entomologists in the tribe (biology), tribe Erannini as the type (biology), type genus, but others merge this group into the tr ...

'' Viidalepp, 1988 * ''

Erannis tiliaria ''Erannis tiliaria'', the linden looper, also known under the rather ambiguous name "winter moth", is a moth of the family Geometridae. The species was first described by Thaddeus William Harris in 1841. It is found in North America from central ...

'' (Harris, 1841) – linden looper, winter moth * ''

Erannis vancouverensis ''Erannis vancouverensis'' is a species of geometrid moth in the family Geometridae The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives fr ...

'' Hulst, 1896 (sometimes in ''E. tiliaria'')

Synonyms

The genus has also been listed under the following now-obsolete alternate names:Pitkin & Jenkins (2004) * ''Chimadia'' Speyer, 1839 * ''Erranis'' (''

lapsus In philology, a lapsus (Latin for "lapse, slip, error") is an involuntary mistake made while writing or speaking. Investigations In 1895 an investigation into verbal slips was undertaken by a philologist and a psychologist, Rudolf Meringer and K ...

'') * ''Hibernia'' (''lapsus'') * ''Hyberna'' (''lapsus'') * ''Hybernia'' Berthold, 1827 * ''Lampetia'' Stephens, 1827 * '' Thriptera'' Gistel, 1848 (''non'' Solier, 1836:

preoccupied The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linn ...

)

Footnotes

References

* (2003): New species of the genus ''Erannis'' Hübner,

825 __NOTOC__ Year 825 ( DCCCXXV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place India * A group of Persio-Assyrian adherents of the Church of the East, under the leade ...

1816 from the North-West Himalaya and Iran (Lepidoptera, Geometridae). ''Acta Zoologica Academiae Scientiarum Hungaricae'' 49 (2): 153-158
PDF fulltext
* (2004)
Butterflies and Moths of the World, Generic Names and their Type-species
&ndash
''Erannis''
Version of November 5, 2004. Retrieved January 12, 2011. * (2001): Markku Savela's Lepidoptera and some other life forms &ndash

Version of December 9, 2001. Retrieved January 12, 2011. Bistonini Taxa named by Jacob Hübner {{Bistonini-stub