Glyphina pseudoschrankiana Blackman, 1989

brown birch thelaxid

on Betula

Glyphina pseudoschrankiana: aptera on Betula pubescens

Betula pubescens, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

parasite

Apterae ± 2 mm, brown-black with variable white markings; immature stages are brown. At the young branches, often on young trees; visited by ants.

hostplants

Betulaceae, monophagous

Betula pubescens.

Rarely also B. pendula.

references

Blackman & Eastop (2018), Heie (1995a).

mod 7.i.2018