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).

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).