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24.001 Bedellia somnulentella (Zeller,1847)
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larvae in mine


Food Plant: Calystegia sepium (Hedge bindweed), Convolvulus arvensis (Field bindweed ) and other garden Convolvulus species, Ipomaea purpurea (Common Morning Glory).

Egg: Either side of leaf. The egg is elongate and on the vein rather than roundish and beside the vein as in Stigmella freyella.

Mine: July, August; September.

Pupa: Hangs by silk threads from the blotch mine

Notes: The frass from the mine can be caught in the silken threads below the mine. The mine is characterised by a gallery leading to a clear blotch. The early mine can be confused with that of Stigmella freyella as both form galleries with a narrow central frass line, but they may be distinguished by the egg. Can be commonly found in some years. Several larvae may mine a leaf (as shown).

Data: 11.ix.2020, St Marys, Isles of Scilly, VC1

Image:© Mike Shumer

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