''Iratsume'' is a

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 "unispec ...

butterfly genus in the family

Lycaenidae Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...

. Its single species is ''Iratsume orsedice''."''Iratsume'' Sibatani & Ito, 1942"
at Markku Savela's ''Lepidoptera and Some Other Life Forms'' The larvae feed on ''

Hamamelis japonica ''Hamamelis japonica'', Japanese witch-hazel, is a species of flowering plant in the family Hamamelidaceae, native to Japan but widely cultivated in temperate situations elsewhere. A horizontally spreading, hardy deciduous shrub or small tree, it ...

''.

Subspecies

*''Iratsume orsedice suzukii'' (Sonan, 1940) Japan *''Iratsume orsedice nosei'' Fujioka, 1996 Taiwan

References

Theclini Lycaenidae genera Monotypic butterfly genera {{Theclinae-stub