| 4.01 ~ 0111 ~ Stigmella microtheriella ~ Nut-tree Pigmy | ||
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UK Status Resident. Widespread and common throughout Britain. Montgomeryshire Status A good scattering of records from across the county. Wingspan : M & F, 3-4mm. Confusion species Many species of Stigmella are similar. A good way of separating them is to examine the type of leaf-mine in the foodplant. |
Flight time & Voltinity
(Bivoltine)  Habitat Wherever the foodplant is found. Foodplant Hazel and hornbeam. Lifestage data Leaf miner. Eggs are laid on the underside of the leaf. Larva forms a slender gallery widening gradually. (Mines of some species are similar, care is required with identification). |
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| Montgomeryshire photos | ||
 Photo by MW, 31st July 2011, Cors Dyfi Mine showing central frass line. |
 Photo by DB, 18th Sept 2011, Middletown |
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