Food Plant: Deschampsia cespitosa (Tufted Hair-grass), Sesleria caerulea (Blue Moor-grass)
Recorded Elsewhere: Brachypodium sylvaticum (False Brome), Calamagrostis arundinacea, Carex elata (Tufted-sedge), Deschampsia flexuosa (Wavy Hair-grass), Elymus caninus (Bearded Couch), Festuca altissima (Wood Fescue), Festuca drymeja, Festuca gigantea (Giant Fescue), Melica nutans (Mountain Melick), Melica uniflora (Wood Melick), Milium effusum (Wood Millet), Phleum, Poa chaixii (Broad-leaved Meadow-grass), Poa remota, Sesleria argentea, Sesleria sadlerana

Egg: laid on a leaf

Mine: September-May; June-July

Notes: Mining starts in the autumn and one or two larvae may mine a leaf. The mine starts at the leaf tip or is directed to this, with frass packed at the beginning of the mine (as shown). After hibernation a new leaf is mined downwards forming a broad irregular, whitish gallery mine. Pupation occurs on the ground. Found in sheletered woodland glades. Mine shown on Deschampsia cespitosa (Tufted Hair-grass).

National Status: Nationally Scarce B

Bradley No: 622

Data: 19.iv.2020, Fforestganol, Cardiff, Glamorgan, VC41

Image:© George Tordoff

References:
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