Plant Parasites of Europe

leafminers, galls and fungi

Dictyla humuli

Dictyla humuli (Fabricius, 1794)

on Symphytum and other Boraginaceae

Dictyla humuli

Haarlemmermeer, 19.vii.2020 © Laurens van der Linde

Dictyla humuli


Dictyla humuli: imago

imago with deposited eggs on Symphytum officinale, Belgium, prov. Limbourg, Kinrooi, Stamprooierbroek, 25.v.2019 © Carina Van Steenwinkel

Dictyla humuli: eggs

row of inserted egg, Belgium, prov. Flemish Brabant, Diest, Halve Maan, 18.v.2019 © Carina Van Steenwinkel

Dictyla humuli: egg

egg, taken out


suction damage; little diagnostic growth disturbances of the inflorescence and adjacent leaves.

host plants

Boraginaceae, oligophagous

Symphytum officinale.

Les numerous also on Echium vulgare, Myosotis scorpoioides and Pulmonaria longifolia.


Hibernation as imago.


Monanthia humuli; M. symphyti (Vallot, 1829).


species of wet habitats like river forelands and carrs.


Aukema & Hermes (2006a), Baugnée (2003b,c), Buhr (1964b, 1965a), Chłond & Gorczyca (2009a), Friess (1998a), Kment & Baňar (2012a), Máca (2012a), Malenovský, Baňař & Kment (2011a), Pagola-Carte & Zabalegui (2006a), Stehlík (2002a,b), Torma (2009a), Viskens, Bruers & Vercauteren (0000a), Wagner (1955a).

Last modified 22.viii.2023