''Lachnus'' is a genus of aphids and the name-bearing

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 nomina ...

of the subfamily

Lachninae Lachninae is a subfamily of the family Aphididae, containing some of the largest aphids, and they are sometimes referred to as "giant aphids". Members of this subfamily typically have greatly reduced cornicles compared to other aphids, and the ...

. It consists of about 20 species.

References

Further reading