Plant Parasites of Europe

leafminers, galls and fungi

Scythris picaepennis

Scythris picaepennis (Haworth, 1828)

white-dusted owlet


Elongate transparent blotch without frass in the lowest leaves. The larva mines from a silken tube under the leaf, in which it retreats during feeding pauses. The tube descends down to the root collar of the plant.

host plants

Polyphagous on low herbs

Helianthemum nummularium; Lotus corniculatus; Plantago; Succisa pratensis; Thymus praecox subsp. polytrichus.

Common birds-foot Trefoil and wild thyme seem to be the most important ones (Bengtsson, 2002a).


Larvae in May (Hering, 1957a).


BE recorded (Phegea, 2010).

NE recorded (Kuchlein & de Vos, 1999a;, 2010).

LUX not recorded (Fauna Europaea, 2010).

distribution within Europe

All Europe, with possible exception of the Mediterranean Islands and Greece (Fauna Europaea, 2010) observed to an altitude of 2500 m (Embacher & Huemer, 2008a).


Body bluish grey with some whitish length lines; pinacula black; head yellow, prothoracic plate black with yellowish anterior border; thoracic feet dark green (Bengtsson, 2002a).


Scythris senescens (Stainton, 1850).


Bengtsson (1997a,b, 2002a), Embacher & Huemer (2008a), Emmet & Langmaid (2002b), Hering (1957a), Huemer (2012a)m Huisman, Koster, Nieukerken & Ulenberg (2003a), Kuchlein & Donner (1993a), Kuchlein, Gielis, Huisman, ao (1988a), Kuchlein & de Vos (1999a), Maček (1999a), Pinzari, Pinzari & Zilli (2013a), De Prins (1998a), Robbins (1991a), Sutter (1994a), Szőcs (1977a), Wörz (1957a), Zoerner (1970b).

Last modified 18.ii.2020