Plant Parasites of Europe

leafminers, galls and fungi

Blastodacna hellerella

Blastodacna hellerella (Duponchel, 1838)

hawthorn cosmet

on hawthorn


The larvae live in late summer in the berries. Infected berries have a hole in the side; no frass is extruded. Pupation in autumn in rotten wood.

host plants

Rosaceae, monophagous

Crataegus laevigata, monogyna.

distribution within Europe

(PESI, 2019).


Reports of occurrence on, and even damage to, Malus and Prunus probably are due to confusion with other species.


Emmet & Langmaid (2002b), Huisman & Koster (1999a), Klinesch (1960a), Koster & Siev (2003a).

Last modified 15.viii.2019