Dictyla humuli (Fabricius, 1794)
on Symphytum and other Boraginaceae
Haarlemmermeer, 19.vii.2020 © Laurens van der Linde
lateral
imago with deposited eggs on Symphytum officinale, Belgium, prov. Limbourg, Kinrooi, Stamprooierbroek, 25.v.2019 © Carina Van Steenwinkel
row of inserted egg, Belgium, prov. Flemish Brabant, Diest, Halve Maan, 18.v.2019 © Carina Van Steenwinkel
egg, taken out
gall
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.
phenology
Hibernation as imago.
synonyms
Monanthia humuli; M. symphyti (Vallot, 1829).
notes
species of wet habitats like river forelands and carrs.
references
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).