|4.036 ~ 0072 ~ Stigmella myrtillella|
Resident. Widely distributed throughout the British Isles.
First found in the south of the county in 2015 at Glaslyn Nature Reserve.
Wingspan : M & F 4-5mm.
Many species in this group are very similar. One of the best ways of separating them is to examine the type of leaf-mine.
|Flight time & Voltinity
Wherever the foodplant is found.
Bilberry and bog bilberry.
Leaf miner. Eggs laid on underside of leaf. Larva first forms a gallery mine, later an irregular blotch. The cocoon is brown.