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).