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Stigmella catharticella (Stainton, 1853)

A rare species in Belgium.

The monophagous larva makes a leafmine starting close to the midrib of a leaf of Rhamnus cathartica. The initial gallery progresses in a series of "S" turns and is more or less filled with greenish frass laid in arches. Pupation in a cocoon spun on detritus.

The adults fly in two generations: May-June, and July-August.

Belgium, Antwerpen, Zandvliet, 30 September 2007.
mine on Rhamnus cathartica with larva visible
 (Photo © Chris Steeman)
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© Flemish Entomological Society