Plant Parasites of Europe

leafminers, galls and fungi

Gilletteella coweni

Gilletteella coweni (Gillette, 1907)

on Pseudotsuga

parasite

This species is closely related with G. cooleyi. The main difference is that while cooleyi in principle passes through a host alternation, coweni does not alternate.

hostplants

Pinaceae, monophagous

Pseudotsuga menziesii.

distribution within Europe

(PESI, 2018).

synonyms

Adelges coweni.

notes

Originally a species from California; introduced in Italy, and a serious pest there.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Pollini (2014a), Blackman & Eastop (2018), Carter (1971a), Covassi & Binazzi (1981a), Hellrigl (2004a), Roversi & Binazzi (1996a).

Last modified 5.x.2020