Plant Parasites of Europe

leafminers, galls and fungi

Entyloma helosciadii

Entyloma helosciadii Magnus, 1882

on Apiaceae

Entyloma helosciadii on Heloscadium nodiflorum

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

Entyloma helosciadii on Heloscadium nodiflorum

detail

Entyloma helosciadii on Heloscadium nodiflorum

advanced infection

Entyloma helosciadii on Heloscadium nodiflorum

the majority of the embedded mass of spores already had germinated

Entyloma helosciadii on Heloscadium nodiflorum

throtgh thr stomate erupt caespituli of the Entylomella stage.

Entyloma helosciadii on Heloscadium nodiflorum

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).

Last modified 8.ix.2023