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4.026 ~ 0100 ~ Stigmella oxyacanthella ~ Common Fruit-tree Pigmy
UK Status

Resident. Widespread and common throughout Britain.

Montgomeryshire Status

First recorded in 2013 at Middletown in the east of the county. A fairly uncommon species in north Wales. Probably overlooked.

Wingspan :   M & F 5-6mm.

Confusion species

Many species of Stigmella are very similar. One of the best ways of separating them is to examine the type of leaf mine.
Flight time & Voltinity (Univoltine)

Habitat

Wherever the foodplant is found.

Foodplant

Hawthorn, apple, pear and cotoneaster.

Lifestage data

Leaf miner. Eggs laid on underside of leaf. Larva produces a slender gallery which becomes broader filled with coiled frass, later the frass is put in an irregular central line. Pupates in a dark brown cocoon on the soil.
map
Montgomeryshire photos

Photo by DB, 29th Sept 2013, Middletown
Leaf mine on Apple