Two new species of Ophiostomatales (Sordariomycetes) associated with the bark beetle Dryocoetes alni from Poland Author Strzalka, Beata Department of Forest Ecosystems Protection; University of Agriculture in Krakow, Al. 29 Listopada 46, 31 - 425, Krakow, Poland Author Jankowiak, Robert Department of Forest Ecosystems Protection; University of Agriculture in Krakow, Al. 29 Listopada 46, 31 - 425, Krakow, Poland https://orcid.org/0000-0002-2804-5396 rljankow@cyf-kr.edu.pl Author Bilanski, Piotr Department of Forest Ecosystems Protection; University of Agriculture in Krakow, Al. 29 Listopada 46, 31 - 425, Krakow, Poland https://orcid.org/0000-0002-2750-6699 Author Patel, Nikita Department of Microbiology, Buller Building 213, University of Manitoba, Winnipeg, R 3 T 2 N 2, Canada Author Hausner, Georg Department of Microbiology, Buller Building 213, University of Manitoba, Winnipeg, R 3 T 2 N 2, Canada Author Linnakoski, Riikka Natural Resources Institute Finland (Luke), Latokartanonkaari 9, 00790, Helsinki, Finland Author Solheim, Halvor Norwegian Institute of Bioeconomy Research, P. O. Box 115, 1431, As, Norway text MycoKeys 2020 68 23 48 http://dx.doi.org/10.3897/mycokeys.68.50035 journal article http://dx.doi.org/10.3897/mycokeys.68.50035 1314-4049-68-23 663957445ABA5BBDA2F314785BC9A8C9

Table 3. Morphological comparisons of closely related species to Ceratocystiopsis synnemata sp. nov.

Species	Ceratocystiopsis pallidobrunnea (Olchowecki and Reid 1974)	Ceratocystiopsis pallidobrunnea (Upadhyay 1981)	Ceratocystiopsis synnemata sp. nov.
Sexual state	Present	Present	unknown
Ascomata base	40-60	40-75
Ascomatal neck length (μm)	15-60	21.2-66
Ascospore shape	allantoid or falcate with truncate ends in side view, cylindrical or fusiform with truncate ends in face view	falcate with truncate or obtuse ends in side view, fusiform or ellipsoid-fusiform in face view
Ascospore size (in face view, μm)	(-3.5)4.5-7.5 x 0.7-1 excluding sheath	14-17.5(-22.5) x 1-1.5(-1.8) including sheath
Conidial shape	allantoid or oblong with obtuse ends	cylindrical, allantoid	oblong-elliptical
Conidial size (μm)	2.5-5 x 0.7-1.2	2-7 x 0.7-2.5	2.4-4 x 1-1.4
Branched conidiophores	present, to 50 μm long	present	present, 76.9 μm long
Conidiophores aggregate into synnemata	absent	absent	present
Optimal growth temp on MEA	-	-
Growth rate at optimum	-	-
Host	Populus tremuloides	Populus tremuloides	Alnus incana, Populus tremula
Arthropods	unknown	unknown	Dryocoetes alni,
Distribution	Manitoba, Canada	Manitoba, Canada	Poland