Entyloma helosciadii Magnus, 1882

on Apiaceae

Heloscadium nodiflorum, Belgium, prov. Antwerpn, Mol, 22.vii.2014 © Carina Van Steenwinkel

detail

advanced infection

the majority of the embedded mass of spores already had germinated

throtgh thr stomate erupt caespituli of the Entylomella stage.

Next to the conidia depicted, according to the literature also aciculate conidia may occur.

gall

round or oval, hardly thickened spots, 1-3 mm in diameter, first whitish, later brown. Spores embedded, smooth, yellowish, 6-12 x 8-16 µm.

host plants

Apiaceae, oligophagous

Apium; Berula erecta; Helosciadium nodiflorum, repens; Oenanthe banatica, crocata, silaifolia; Sium latifolium.

synonyms

Entyloma flavum Ciferri, 1924; E. oenanthes Maire, 1903.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Brandenburger (1985a: 431, 432, 449), Buhr (1964b, 1965a), Ellis & Ellis (1997a), Klenke & Scholler (2015a), Scholz & Scholz (2013a), Van Steenwinkel & Fraiture (2023a), Thiel, Klenke, Kruse, ao (2023a), Tomasi (2014a), Vánky (1994a), Woods, Chater, Smith ao (2018a).