''Hormaphis'' is a genus of witch hazel and palm aphids in the family

Aphididae The Aphididae are a very large insect family in the aphid superfamily ( Aphidoidea), of the order Hemiptera. These insects suck the sap from plant leaves. Several thousand species are placed in this family, many of which are considered plant/cr ...

. There are at least three described species in ''Hormaphis'', found mainly in eastern North America.

Species

These three species belong to the genus ''Hormaphis'': * ''

Hormaphis betulae ''Hormaphis'' is a genus of witch hazel and palm aphids in the family Aphididae The Aphididae are a very large insect family in the aphid superfamily ( Aphidoidea), of the order Hemiptera. These insects suck the sap from plant leaves. Severa ...

'' (Mordvilko, 1901) * ''

Hormaphis cornu ''Hormaphis'' is a genus of witch hazel and palm aphids in the family Aphididae. There are at least three described species in ''Hormaphis'', found mainly in eastern North America. Species These three species belong to the genus ''Hormaphis'': * ...

'' (Shimer, 1867) * ''

Hormaphis hamamelidis The witch-hazel cone gall aphid (''Hormaphis hamamelidis'') is a minuscule insect, a member of the Aphid, aphid superfamily, whose presence on a witch-hazel (''Hamamelis virginiana'') plant is easily recognizable by a conical gall structure. The ...

'' (Fitch, 1851) (witch hazel cone gall aphid)

Species

References

Further reading