| 15.012 ~ 0290 ~ Caloptilia semifascia ~ Maple Slender | ||
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UK Status Resident. A widespread but local species found in England, the far north as far north as Cumbria and in Wales. Montgomeryshire Status First recorded in 2013 at Middletown in the east of the county. This is only the fourth record of this local species in north Wales. Since then there have been several further records also coming from the east of the county. Wingspan : M & F 10-12mm. Confusion species Caloptilia falconipennella. |
Flight time & Voltinity
(Bivoltine)  Habitat Woodland, hedgerows and gardens. Foodplant Field maple and sycamore. Lifestage data Leaf miner. Eggs laid on underside of leaf. Larva first produces narrow mine which leads to a blotch, later it feeds within rolled leaves often forming a cone. Pupates in a cocoon attached to either side of the leaf. |
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| Montgomeryshire photos | ||
 Photo by DB, 19th Sept 2013, Middletown Leaf mine on field maple |
 Photo by DB, 30th Mar 2014, Middletown |
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