Plant Parasites of Europe

leafminers, galls and fungi

Golovinomyces hydrophyllacearum

Golovinomyces hydrophyllacearum (Braun) Heluta, 1988

on Nemophila, Phacelia


mycelium amphigenous, almost persistent. Conidia in chains, elliptic, without fibrosin bodies. Cleistothecia with 6-15 asci that contain 2 (rarely 3) spores. Appendages numerous, attached on and above the equator, 1-3.5 x the diameter; they are rather stiff and straight, unbranched, septate, brown for much of their length.


Boraginaceae, oligophagous

Nemophila menziesii; Phacelia.


North American species, in Europe known only from the ornamental Nemophila menziesii. Phacelia, that is much used in Europe because of its nectar production, is still a potential host plant.


Ale-Agha, Boyle, Braun ao (2008a), Braun & Cook (2012a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a).

Last modified 25.viii.2018