Pterocallis albida Börner, 1940

on Alnus

parasite

About 1 mm large, shining yellowish to greenish white apterae nd alatae live dispersed at the underside of the leaves; not attended by ants.

host plants

Betulaceae, narrowly monophagous

Alnus incana.

references

Blackman & Eastop (2017), Börner & Franz (1956a), Durak, Durak & Borowiak-Sobkowiak (0000a), Görür, Işik, Akyürek & Zeybekoğlu (2009a), Heie (1982a, Lampel & Meier (2003a), Müller & Horatschek (1980a), Tambs-Lyche & Heie (1984a), Weis (1955a), Wieczorek & Kanturski (2011a), Wojciechowski, Depa, Halgoš ao (2016a).