| 49.133 ~ 0968 ~ Thyraylia nana ~ Birch Conch | ||
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UK Status Resident. A widespread and fairly common species in Britain, more scarce in Ireland. Montgomeryshire Status Found at Cors Dyfi in 2011 and at Guilsfield a few years later. Wingspan : M & F,9-13mm. Confusion species None. |
Flight time & Voltinity
(Univoltine)  Habitat Wherever the foodplant is found. Foodplant Silver birch catkins. Lifestage data Eggs laid on catkins. Larva lives and feeds within the catkins. Pupates in a silken cocoon attached to the trunk of the tree. |
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| Montgomeryshire photos | ||
 Photo by MW, 20th May 2011, Cors Dyfi |
 Photo by SOS, 2nd June 2016, Guilsfield |
 Photo by SOS, 25th May 2017, Guilsfield |