Mayetiola holci Kieffer, 1896
on Holcus
Holcus lanatus, Belgium, prov, Hainaut, Froidchapelle © Sébastien Carbonnelle: very inconspicuous gall
more conspicuous gall
gall after removal of the leaf sheath
enlargement
on Holcus
gall
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.
larva
The larva is described by Ertel (1975a).
prosternum with spatula (from Möhn, 1955a)
host plants
Poaceae, monophagous
Holcus lanatus, mollis.
references
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).