Golovinomyces biocellatus (Ehrenberg) Heluta, 1988

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

on Lamiaceae

Golovinomyces biocellatus: cleistothecia on Lycopus europaeus

Lycopus europaeus, Belgium, prov. Antwerp, Mol, Duivelskuil © Carina Van Steenwinkel

Golovinomyces biocellatus: appendages

appendages

Golovinomyces biocellatus: asci

two asci

Golovinomyces biocellatus: appressoria

appressoria

gall

mycelium amphigenous, mainly epiphyllous and along the main veins. Appressoria nipple-shaped, best developed in July and August. Conidia in short chains, without fibrosin bodies. Foot-cell of conidiophore 40-100 µm long, mostly distinctly curved. Cleistothecia with 5-15 asci, with 2 (up to 4) spores. Appendages numerous, mycelioid, septate, more or less brown, 0.5 – 2.5 x the cleistothecial diameter, attached to the lower half of the cleistothecium.

hostplants

Lamiaceae, Nepetoideae, narrowly oligopgagous:

Glechoma hederaceaa; Lycopus europaeus, exaltatus.

references

Kozłowska, Mułenko & Heluta (2015a), Scholler, Schmidt, Siahaan ao (2016a).

pub 25.v.2017 · mod 17.vii.2017