Plant Parasites of Europe

leafminers, galls and fungi

Mayetiola ventricola

Mayetiola ventricola (Rübsaamen, 1899)

on Molinia

Mayetiola ventricola on Molinia caerulea

Molinia caerulea, Strabrechtse Heide (after sod removal), 27.x.2021 © Wouter Bosgra


Right above the rhizome the culm is swollen in the shape of a slender onion: 10 mm high, 6 mm thick. The yellowish gall erupts through the leaf sheath, causing the culm to bend somewhat. The gall contains a number of white larvae, that pupate in the gall. Univoltine.

host plants

Poaceae, monophagous

Molinia arundinacea, caerulea.


The larva is described by Ertel (1975a).
Mayetiola ventricosa: spatula

prosternum with spatula (from Möhn, 1955a)


Pemphigocecis ventricola; Oligotrophus ventricolus.


Quite difficult to find!


Buhr (1964b), Dauphin & Aniotsbehere (1997a), Docters van Leeuwen (1936a), Ertel (1975a), Haarder, Bruun, Harris & Skuhravá (2016a), Houard (1908a), Kieffer (1901c), Möhn (1955a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Skuhravá & Skuhravý (2021a: 168), Skuhravá, Skuhravý & Meyer (2014a), Tomasi (2014a).

Last modified 1.xi.2021