Seq # 105020030

Eriocrania sangii (Wood, 1891) Species

Last modified: Dec. 3, 2018, 4:07 p.m.

In Belgium, this species was observed for the first time in 2007.


Family: Eriocraniidae > Genus: Eriocrania > Species: Eriocrania sangii
Vernacular names
Grijsrupspurpermot (NL)
First mention in Belgium
Van de Meutter F. & Steeman C. 2010. Eriocrania sangii, new for the Belgian fauna (Lepidoptera: Eriocraniidae). — Phegea 38(): 121–124. On page 121. view page





The monophagous and distinctive dark grey larva lives in a blotch mine in Betula leaves . It starts near the leaf margin with a short corridor and expands it later in a blotch. Mature larvae leave the mine and pupate in a tough silken cocoon in the ground.

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Flight periods

The adults fly from mid March till late April or the beginning of May. They can be observed resting on the twigs and leaves of the food plant or flying around the host-trees in sunshine. At night they occasionally come to light.