Iressa is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of cosmet moths (family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Cosmopterigidae). It belongs to subfamily Cosmopteriginae.

They are characterized mainly by their wing venation: in the forewings, vein 1b is not forked and veins 2-4 are separate, while veins 6-8 are not; veins 6 and 7 are stalked and arise from vein 8. In addition, the scape

Scape

In biology, the term scape may refer to:* The first segment of an insect antenna* A finger-like appendage of the epigyne of a female spider* Scape , a flowering stemScape may also refer to:...

 is short and bears a comb.

This genus contains only 3 known species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

:

• Iressa microsema J.F.G.Clarke, 1986
• Iressa neoleuca J.F.G.Clarke, 1971
• Iressa triformis (Meyrick 1927)