Plant Parasites of Europe

leafminers, galls and fungi

Pseudochermes fraxini

Pseudochermes fraxini (Kaltenbach, 1860)

ash bark scale

on Fraxinus

Pseudochermes fraxini: females on Fraxinus bark

Fraxinus spec. © countless females,
being predated upon by a coccinellid.


Females ± 1 nnm, completely covered by a yellowish white, felt-like ovisac. In numbers on the bark.

host plants

Oleaceae, monophagous

Fraxinus excelsior, ornus.


Fonscolombia fraxini.


Ćwierzyk & Dziedzicka (1987a), Dziedzicka (1988a), Gertsson (2011a, 2016a), Hellrigl (2004a), Jansen (1999b), Koteja & Żak-Ogaza (1966a), Kozár, Guignard, Bachmann ao (1994a), Malumphy (2010a), Malumphy, Ostrauskas & Pye (2008a), Schmutterer & Hoffmann (2003a), Seljak (2010a), Żak-Ogaza & Koteja (1964a).

Last modified 6.iii.2020