Pseudochermes fraxini (Kaltenbach, 1860)

ash bark scake

on Fraxinus

Pseudochermes fraxini: females on Fraxinus bark

Fraxinus spec. © ephytia.inra.fr: countless females,
being predated upon by a coccinellid.

parasite

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

hostplants

Oleaceae, monophagous

Fraxinus excelsior, ornus.

references

Gertsson (2011a, 2016a), Hellrigl (2004a), Jansen (1999b), Kozár, Guignard, Bachmann ao (1994a), Malumphy (2010a), Malumphy, Ostrauskas & Pye (2008a), Schmutterer & Hoffmann (2003a), Seljak (2010a).

mod 19.x.2018