''Rosiroia'' is a genus of

leaf beetle The beetle family Chrysomelidae, commonly known as leaf beetles, includes over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making it one of the largest and most commonly encountered of all beetle families. Numerous s ...

s in the subfamily

Eumolpinae The Eumolpinae are a subfamily of the leaf beetles, or Chrysomelidae. It is one of the largest subfamilies of leaf beetles, including more than 500 genera and 7000 species. They are oval, and convex in form, and measure up to 10 mm in size. ...

. It contains only one species, ''Rosiroia anisotomoides'', and is the only member of the tribe Rosiroiini. It was described by the Czech entomologist

Jan Bechyné Jan, JaN or JAN may refer to: Acronyms * Jackson, Mississippi (Amtrak station), US, Amtrak station code JAN * Jackson-Evers International Airport, Mississippi, US, IATA code * Jabhat al-Nusra (JaN), a Syrian militant group * Japanese Article Num ...

in 1950. It is found in

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

. The genus is dedicated to Rosetta Roi (later Rosetta Kadlec), a taxidermist who worked at the Museum G. Frey.

References

Eumolpinae Monotypic Chrysomelidae genera Beetles of Africa Insects of Madagascar Endemic fauna of Madagascar {{Eumolpinae-stub