| 4.009 ~ 0115 ~ Stigmella alnetella ~ Silver-barred Alder Pigmy | ||
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UK Status Resident. Widespread, but seldom common. Found in Britain as far north as the Caledonian Canal. 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 4-5mm. 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
(Bivoltine)  Habitat Wherever the foodplant is found. Foodplant Alder. Lifestage data Leaf miner. Eggs laid on underside of leaf. Larva produces a slender winding gallery with narrow linear frass throughout. Pupates in a dark reddish-brown cocoon. |
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| Montgomeryshire photos | ||
 Photo by DB, 12th Oct 2013, Middletown Leaf mine on Alder |
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