Mayetiola ventricola (Rübsaamen, 1899)

on Molinia

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.

hostplants

Poaceae, monophagous

Molinia arundinacea, caerulea.

larva

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

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 & Meyer (2014a), Tomasi (2014a).

mod 22.ix.2019