Mayetiola holci Kieffer, 1896
Holcus lanatus, Belgium, prov, Hainaut, Froidchapelle © Sébastien Carbonnelle: very inconspicuous gall
more conspicuous gall
gall after removal of the leaf sheath
Close to a node the culm has, concealed by the leaf sheath, one or more oval shallow depressions. They are weakly rimmed, and are not covered by the epidermis. In each lies a white, 3 mm long, larva or its puparium. The infested parts turn purple.
The larva is described by Ertel (1975a).
prosternum with spatula (from Möhn, 1955a)
Holcus lanatus, mollis.
Buhr (1964b), Carbonnelle, George, Giot & Romain (2018a), Dauphin & Aniotsbehere (1997a), Ertel (1975a), Gagné (2010a), Horeman (1990a), Kieffer (1901a), Möhn (1955a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý & Meyer (2014a).