>Tilia tomentosa, Hungary, Mosonmagyaróvár © László Érsek: srpring situation (May 10)
underside of the leaf
horizontal section through a gall
summer aspect (July 22nd)
Tilia tomentosa, Hungary, Budapest © László Érsek; summer aspect, underside gall
Round, brownish pustules on the leaves, covered by a greyish brown felt and surrounded by a light seam.
Malvaceae, narrowly monophagous
Tilia americana, tomentosa.
Phytocoptella abnormis, Phytoptus tetratrichus abnormis.
according to the Fauna Europaea (2014), this species is known only from Central Europe (Austria and Hungary); citations from Western Europe in all probability refer to Phytoptus tetratrichus.
Farkas (1965a), Hellrigl (2010a), Keifer, Baker, Kono ao (1982a), Koops (2013a), Lambinon Schneider & Feitz (2012a), O’Connor (2005c), Ripka (2007a), Ripka, Fain, Kaźmierski ao (2002a), Ripka & de Lillo (1997a).