Mompha subbistrigella (Haworth, 1828)
garden mompha
on Epilobium
Epilobium cf montanum, Belgium, prov. Namur, Phillippeville (Cerfontaine), RN du Fonds des Vaux © Stéphane Claerebout
larva
gall
The larva lives within the fruit, feeding on the ripening seeds; occupied fruits are characteristically curved.
host plants
Onagraceae, monophagous
Epilobium montanum, palustre, parviflorum, tetragonum.
Buhr (1964a) additionally mentions as a host plant: E. angustifolium, now -most of the time- Chamerion angustifolium. This is not repeated by later authors, and is probably incorrect.
references
Baran (2009a), Buhr (1964a), Emmet & Langmaid (2002b), Itämies (2010a), Klimesch (1960a), Koster & Sammut (2006a), Koster & Sinev (2003a), Lambinon, Carbonnelle & Claerebout (2015a), van Nieukerken, Gielis, Huisman ao (1993a), Redfern & Shirley (2011a), Szőcs (1977a), Triberti, Longo Turri, Adami & Zanetti (2017a).