Plant Parasites of Europe

leafminers, galls and fungi

Nephopterix angustella

Nephopterix angustella (Hübner, 1796)

spindle knot-horn

on spindle

Nephopterix angustella on Euonymus europaeus

Euonymus europaeus, France, dép. Finistère, La Forêt-Fouesnant, 7.vii,2023 © Pierre Duhem: fruit with entrance opening

Nephopterix angustella on Euonymus europaeus

opened fruit with larva


The larva bores in the fruits, moving from one fruit to the other. Silk connecting the fruits, bore holes and extruded orange frass betrays its presence. Pupation in an elongated white cocoon among the fruits or on the ground.

host plants

Celastraceae, ± monofaag

Euonymus europaeus.

An observation by Roesler on Castanea sativa probably is exceptional.


Univoltine; hibernation as larva or pupa in the cocoon.

distribution within Europe

(PESI, 2019).


Euonymus fruits spun together may also indicate Epiphyas postvittana!


Bentley (2008a), Corley, Merckx, Marabuto ao (2013a), Edmunds (2022a), Fiumi (2019a), Huisman, Koster, van Nieukerken & Ulenberg (2004a), Peslier (2005a), De Prins (2003b, 2004a), Roesler (0000b), Vávra (2016a), Vegliante & Zilli (2007a).

Last modified 31.vii.2023