Fabrella tsugae (Farlow) Kirschstein 1941
needle blight of hemlock
on Tsuga
Tsuga spec., België, prov. Antwerpen, Laakdal, Watereinde, 11.xii.2021 © Carina Van Steenwinkel: infected tree
detail
underside of a needle with apothecia
section through an apothecium
ascus
parasite
Asci with 4 spores, size 10-12 x 63-77 µm. Spores 2-cellig, fresh spores with 2 large oil drops, size 6-7 x 13-17 µm.
host plants
Pinaceae, monophagous
notes
Originally a North American species.
references
Brandenburger (1985a: 27).