Dictyla humuli (Fabricius, 1794)

on Symphytum and other Boraginaceae

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

gall

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

hostplants

Boraginaceae, o0ligophagous

Symphytum officinale.

Les numerous also on Myosotis scorpoioides and Pulmonaria longifolia.

synonyms

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

notes

species of wet habitats like river forelands and carrs.

references

Buhr (1964b, 1965a), Máca (2012a), Pagola-Carte & Zabalegui (2006a).

mod 28.v.2019