Mayetiola ventricola (Rübsaamen, 1899)
on Molinia
Molinia caerulea, Strabrechtse Heide (after sod removal), 27.x.2021 © Wouter Bosgra
gall
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.
larva
The larva is described by Ertel (1975a).
prosternum with spatula (from Möhn, 1955a)
synonyms
Pemphigocecis ventricola; Oligotrophus ventricolus.
notes
Quite difficult to find!
references
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).