Davey, P., 2009: A species restricted to central and southern England, the larva feeding and overwintering once within the cambium of oak (Quercus spp.) and, less frequently, birch (Betula spp.) trees. Eggs are laid out of preference on stumps of oak trees that have been felled the previous year. The resultant larva creates galleries by slowly feeding on the cambium layer through the autumn. During the spring 'sawdust' frass may be visible on the stump surface. Larvae of all sizes co-exist and... Read More

Recorded in 8 (20%) of 40 10k Squares. First Recorded in 1956. Last Recorded in 2019. (Data up to end 2019) Additional Stats

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