Pemphigus passeki Börner, 1952

on Populus

gall

epiphyllous, fusiform swelling of the basal part of the midrib, thickest near the base, quickly narrowing towards the tip.

primary host plants

Salicaceae, narrowly monophagous

Populus nigra & var. italica.

gall

aphids at the roots.

secondary host plants

Apiaceae, monophagous

Carum carvi.

Perhaps sporadically also Aegopodium podagraria and Daucus carota (Börner & Heinze).

references

Blackman & Eastop (2014), Börner & Heinze (1957a), Buhr (1965a), Osiadacz & Halaj (2014a), Tomasi (2014a), Wojciechowski, Depa, Halgoš ao (2016a).