Ethmia aurifluella (Hübner, 1810)
on Anchusa, Onosma
parasite
From a silken tube in the heart of the plant the larva tunnels in the stem to the root collar, that is eaten out so thoroughly that the plant dies. All frass is accumulated in the opper end of the gallery.
host plants
Boraginaceae, oligophagous
Anchusa; Onosma pseudoarenaria.
Experimentally the larvae developed well on Echium vulgare.
phenology
Univoltine; hibernation as pupa.
distribution within Europe
larva, pupa
Pictures also on Lepiforum.
synonyms
Psecadia aurifluella.
references
Bryner & Sonderegger (2016a), Lepiforum (2019), Pérez De-Gregorio (2003a), Thomann (1956a).