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38.045 Elachista utonella Ferey, 1856
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Food Plant: Carex spp, - usually Carex acutiformis (Lesser Pond Sedge), C.paniculata (Great Tussock Sedge) or C.versicaria (Bladder Sedge)

Egg: laid on a leaf

Mine: March-May

Notes: The initial mine is towards the leaf tip but then it changes direction to form an elongated blotch, which may occupy half the width of a leaf (as shown). The greenish or grey frass mostly is found in the early part of the mine. The mine is yellow white to grey. Found in wet bogs or on acid heaths

National status: Nationally Scarce B

Bradley No: 629

Data: 04.2014, river Windrush valley, East Gloucestershire, VC33

Image:© Guy Meredith

Emmet AM (1996), The Moths and Butteflies of Great Britain and Ireland, 3
Hering, E M (1957) - Bestimmungstabellen der Blattminen von Europa.
Langmaid JR, Palmer SM & Young MR (2018), A Field Guide to The Smaller Moths of Great Britain and Ireland
Traugott-Olsen E & Schmidt Nielsen E (1977) The Elachistidae (Lepidoptera) of Fennoscandia and Denmark, Fauna Entomologica Scandinavica, 6

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists