''Batia lambdella'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of gelechioid moth. It belongs to 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 botanical subfamily names with "-oideae", and zo ...

Oecophorinae __NOTOC__ The Oecophorinae are the nominate subfamily of moths in the concealer moth family (biology), family (Oecophoridae). They are part of the insufficiently studied Taxonomic rank, superfamily Gelechioidea, and like their relatives, the Circu ...

of the concealer moth

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

(Oecophoridae). The genus '' Batia'' is sometimes treated as

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

, but this seems spurious considering how similar ''B. lambdella'' is to the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

'' B. lunaris'' (Lesser Tawny Crescent). Its

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

is 11–17 mm, and in general the imagines (adults) resemble ''B. lunaris'', but are about half as large again. The forewings are dark

ochre Ochre ( ; , ), iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand. It ranges in colour from yellow to deep orange or brown. It is also the name of the colou ...

, slightly darker at the tips and the hairy fringe surrounding them. At the border between the light and dark parts there is an interrupted broad dark line across the forewings, the

dorsal Dorsal (from Latin ''dorsum'' ‘back’) may refer to: * Dorsal (anatomy), an anatomical term of location referring to the back or upper side of an organism or parts of an organism * Dorsal, positioned on top of an aircraft's fuselage The fus ...

part of which forms a continuous pointed patch if the wings are laid back while the moth rests. It is found in

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

, where it is not rare in many

woodland A woodland () is, in the broad sense, land covered with woody plants (trees and shrubs), or in a narrow sense, synonymous with wood (or in the U.S., the '' plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunli ...

s. It is even widely found at the outer limit of its range, ranging far into

Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...

and

Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...

on the

British Isles The British Isles are an archipelago in the Atlantic Ocean, North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner Hebrides, Inner and Outer Hebr ...

. The generally

nocturnal Nocturnality is a ethology, behavior in some non-human animals characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite. Nocturnal creatur ...

adults fly from June to September. The

caterpillar Caterpillars ( ) are the larval stage of members of the order Lepidoptera (the insect order comprising butterflies and moths). As with most common names, the application of the word is arbitrary, since the larvae of sawflies (suborder ...

s inhabit dead twigs and small branches, where they feed on dried-out decayed wood. A notable host plant is

gorse ''Ulex'' (commonly known as gorse, furze, or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. The species are na ...

(''Ulex'').Grabe (1942), Kimber 010/ref>

Footnotes

References

* (1942): Eigenartige Geschmacksrichtungen bei Kleinschmetterlingsraupen Strange tastes among micromoth caterpillars" ''Zeitschrift des Wiener Entomologen-Vereins'' 27: 105-109 n Germanbr>PDF fulltext
* 010 UKMoths &ndash
''Batia lambdella''
Retrieved 2010-APR-28. * (2004)
Butterflies and Moths of the World, Generic Names and their Type-species
&ndash
''Batia''
Version of 2004-NOV-05. Retrieved 2010-APR-28. Oecophorinae Moths of Europe Moths described in 1793 {{Oecophoridae-stub