Melaphis rhois (Fitch, 1866)

on Rhus, primary host plant

Rhus typhina (from Blackman & Eastop)

gall

At the base of the midrib of a leaflet develops a large, often red-coloured bag-like gall. The gall is known from North America, not from Europe.

hostplants

Anacardiaceae, monophagous

Rhus glabra, typhina.

on mosses, secondary host plants

gall

The apterae resemble those of Pachypappella lactea in the comparable stage, that live on Picea roots.

references

Albrecht (2915a), Blackman & Eastop (2014), Heie (1980a).