Plant Parasites of Europe

leafminers, galls and fungi

Leptotrochila verrucosa

Leptotrochila verrucosa (Wallroth) Schüepp, 1959

on Crucianella, Galium, Sherardia

Leptotrochila verrucosa on Galium aparine

Galium aparine, Belgium, prov. Antwerp, Arendonk, 14.iii.2020 © Carina Van Steenwinkel

Leptotrochila verrucosa on Galium aparine

infection on the somewhat older parts

Leptotrochila verrucosa on Galium aparine

young apothecia

Leptotrochila verrucosa on Galium aparine

mature apothecia

Leptotrochila verrucosa on Galium aparine

apothecia also on the stems

Leptotrochila verrucosa on Galium aparine

ascus

Leptotrochila verrucosa on Galium aparine

ascospores

gall

Underside of the leaves with initially globular, later dish-shaped dark brown apothecia, 03-0.7 mm in size and embedded in the leaf tissue.

host plants

Rubiaceae, oligophagous

Crucianella angustifolia Galium aparine, mollugo, odoratum, saxatile; Sherardia arvensis.

notes

The anamorph stage is Phyllachora punctiformis (Fuckel) Fuckel, 1870 [= S. punctiforme (Fuckel) Petrak, 1920].

references

Brandenburger (1985a), Dennis (1977a), Dietrich (2016b), Ellis & Ellis (1995a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kriegsteiner (1994a), Kruse (2019a), Kruse & Jage (2014a), Negrean (1995a), Negrean & Denchev (2000a).

Last modified 27.iii.2020