Food Plant: Ulmus (Elm)

Mine: September - May

Notes:  It initially forms a gallery along the midrib, which then goes out along a vein (see photo). The end of this gallery is then excised to construct the first case. It then feeds close to this and makes several small mines. The cut-outs here are larger than described in MBGBI, but the only other species,Col. limosipennella, in MBGBI that does this on Elm has much smaller cut-outs

Data: 29.x.2003, Portsmouth, Hampshire, VC11, John Langmaid and Ian Thirlwell

Image:© © Ian Thirlwell