Tegonotus heptacanthus (Nalepa, 1889)
on Alnus
gall
the mites are vagrants on the leaves; at high densities they may cause russeting, perhaps also some malformation.
hostplants
Betulaceae, monophagous
Alnus glutinosa, incana.
synonyms
Oxypleurites heptacanthus.
references
Buhr (1964b), Cogolludo (1921a), Farkas (1965a), Houard (1908a), Jočić & Petanović (2012a), de Lillo (1998b), Ripka (2007a), Roivainen (1950a, 1951a, 1953a), Roskam (2009a), Skoracka, Lewandowski & Boczek (2005a), Tomasi (2014a).