Heliothela wulfeniana (Scopoili, 1763)
on Viola
parasite
The larva bores in the stem.
host plants
Violaceae, monophagous
Viola arvensis, tricolor & subsp. curtisii.
distribution within Europe
larva
Pictures on Lepiforum.
synonyms
Heliothela atralis (Hübner, 1788).
references
Lepiforum (2020). Muus (2012a), Schütze (1931a), Wegner (2010a).