Plant Parasites of Europe

leafminers, galls and fungi

Procecidochares utilis

Procecidochares utilis Stone, 1947

crofton weed gall, cotton weed gall fly, eupatorium gall fly

on Ageratina

Procecidochares utilis: gall on Ageratina adenophora

Ageratina adenophora, New Zealand, Auckland, 8.iii.2018 © jacqui-nz

parasite

Conspicuous stem galls.

host plants

Asteraceae, monophagous

Ageratina adenophora.

distribution within Europe

Madeira.

notes

Central American species, introduced in Madeira for the biological control of its host plant, that is a serious invasive pest there, like in many other subtropical regions.

references

Bess & FHaramoto (1972a), Haseler (1965a), Smit (2006a).

Last modified 15.x.2020