''Perizoma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

in the

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 ''metro ...

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

(Geometridae). It is the

type genus In biological taxonomy, the type genus is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International Code of Zoological Nomenclature, "The name-bearing type of a nominal ...

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 is in the discipline of anthropology. This definition is contested, in part due to confli ...

Perizomini Perizomini is a tribe of geometer moths under subfamily Larentiinae Larentiinae is a subfamily of moths containing roughly 5,800 species that occur mostly in the temperate regions of the world. They are generally considered a subfamily of the ...

in subfamily

Larentiinae Larentiinae is a subfamily of moths containing roughly 5,800 species that occur mostly in the temperate regions of the world. They are generally considered a subfamily of the geometer moth family (Geometridae) and are divided into a few large or ...

. The tribe is considered

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 "unispe ...

by those who include the genera '' Gagitodes'', '' Martania'' and '' Mesotype'' in ''Perizoma''. Some other less closely related species formerly placed here are now elsewhere in the Larentiinae, e.g. in '' Entephria'' of the tribe Larentiini. Either way, there are more than 150

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 ...

of ''Perizoma'' currently known, with a generally Northern Hemisphere distribution (e.g. 14 occurring in Europe), and new ones still being described occasionally. Many of them are called rivulets ("the" rivulet is '' P. affinitata'' specifically), while others are known as carpets, a common name for Larentiinae in general. It was first described by Jacob Hübner in 1825. One of its junior synonyms is ''Emmelesia'', proposed by

James Francis Stephens James Francis Stephens (16 September 1792 – 22 December 1852) was an English entomologist and naturalist. He is known for his 12 volume '' Illustrations of British Entomology'' (1846) and the ''Manual of British Beetles'' (1839). Early l ...

no less than three times – once validly in 1829, and within the next two years twice more invalidly, covering a total of 18 species. Another invalid name of ''Perizoma'' – ''Opisogonia'', chosen by

Gottlieb August Wilhelm Herrich-Schäffer Gottlieb August Wilhelm Herrich-Schäffer (17 December 1799 – 14 April 1874) was a German entomologist and physician. He was born, and died, in Regensburg. Herrich-Schäffer studied and collected particularly butterflies and moths (Lepidoptera). ...

in 1856 – had already been used by the same author the year before for a different geometer moth genus.

Selected species

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 ...

of ''Perizoma'' include:Kandasamy, Gunathilagaraj (2016)
"Checklist of Indian Geometridae with FBI number"
Tamil Nadu Agricultural University.

Footnotes

References

* (2011)
''Perizoma''
Version 2.4, January 27, 2011. Retrieved April 21, 2011. * (2004a)
Butterflies and Moths of the World, Generic Names and their Type-species
&ndash
''Opisogonia'' Herrich-Schäffer, 1855
Version of November 5, 2004. April 21, Retrieved 2011. * (2004b)
Butterflies and Moths of the World, Generic Names and their Type-species
&ndash
''Perizoma''
Version of November 5, 2004. Retrieved April 21, 2011. * (2004c)
Butterflies and Moths of the World, Generic Names and their Type-species
&ndash
''Zerynthia'' Curtis, 1830
Version of November 5, 2004. Retrieved April 21, 2011. * {{Taxonbar , from=Q3012860