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Perizoma is a genus in the geometer moth family (Geometridae). It is the type genus of tribe Perizomini in subfamily Larentiinae. The tribe is considered monotypic 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.

Perizoma albulata FvL.jpg
Grass Rivulet (Perizoma albulata) imago
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Subfamily: Larentiinae
Tribe: Perizomini
Genus: Perizoma
Hübner, 1825
Type species
Geometra albulata
Denis & Schiffermüller, 1775
Over 150 species

Emmelesia Stephens, 1829a
Emmelesia Stephens, 1829b (non Stephens, 1829a: preoccupied)
Emmelesia Stephens, 1831 (non Stephens, 1829a: preoccupied)
Opisogonia Herrich-Schäffer, 1856 (non Herrich-Schäffer, 1855: preoccupied)
Zerynthia Curtis, 1830 (non Ochsenheimer, 1816: preoccupied)
and see text

Either way, there are more than 150 species 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.[1]

One of its junior synonyms is Emmelesia, proposed by J.F. Stephens no less than three times – once validly in 1829, and within the next two years twice more invalidly. Another invalid name of PerizomaOpisogonia, chosen by G.A. Herrich-Schäffer in 1856 – had already been used by the same author the year before for a different geometer moth genus.[2]

Selected speciesEdit

Species of Perizoma include:[3][4]


  1. ^ Pitkin & Jenkins (2004b), FE (2011)
  2. ^ Pitkin & Jenkins (2004ac)
  3. ^ FE (2011), and see references in Savela (2008)
  4. ^ Gunathilagaraj Kandasamy (2016). Checklist of Indian Geometridae with FBI number.docx. - Tamil Nadu Agricultural University