Plant Parasites of Europe

leafminers, galls and fungi

Massalongia betulifolia

Massalongia betulifolia Harris, 1974

on Betula


small leaf mines, mainly protruding at the underside, where they have a slit-like opening. Larva solitary, white to yellow-orange, without a sternal spatula. Bivoltine. The summer generation makes lenticular pustules, up tot 3 mm large, in the blade. The autumn generation, often in a green island, makes elliptic galls in the side veins.

host plants

Betulaceae, monophagous

Betula pendula.


Dauphin & Aniotsbehere (1997a), Gagné (2010a), Lambinon, Carbonnelle & Claerebout (2015a), Redfern & Shirley (2011a), Roskam & Carbonnelle (2015a), Skuhravá & Skuhravý (2012a, 2021a: 52).

Last modified 13.ix.2021