|0498 ~ Coleophora alnifoliae|
Resident. Very local. Found in isolated colonies from south-eastern and southern-central England as far north as Shropshire and Perthshire.
Wingspan : M & F, 12-13mm.
It is often impossible to separate the adults of some species. In some cases differences can be seen in various life stages.
time & Voltinity
Requires mature alder.
Case-bearing/leaf miner. Eggs laid on leaf. Larva probably makes a short mine ending in a blotch (unobserved), this is excised to construct the case, up to six blotch mines are formed on leaf edge. Pupates within case, attached to twig.
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Photo by DB, 3rd July 2014, Roundton Hill
Confirmed by gen.det (DB)