|4.039 ~ 0073 ~ Stigmella trimaculella|
Resident. Widely distributed in England, but patchy & uncommon in Scotland & Wales.
Discovered in Llanfyllin in the north of the county in 2019.
Wingspan : M & F, 5-6mm.
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.
Leaf miner. Eggs either side of leaf. Larva forms a slender gallery, later widening into a blotch. Pupa: orange to dark brown.
Photo by DHB, 1st Sept 2019, Llanfyllin
Pic shows mines on black poplar