Davey, P., 2009: A species found in England, the larva overwintering once beneath the bark of osier (Salix viminalis), goat willow (Salix caprea) and grey willow (Salix cinerea). There is often little external evidence of occupation within the infected stem or branch. Trunks or branches damaged by other insects may often be found to host the species and close inspection may reveal old emergence holes or empty pupa cases in the region of the wound. A further occasional characteristic is a... Read More

Recorded in 17 (43%) of 40 10k Squares. First Recorded in 1979. Last Recorded in 2023. (Data up to end 2023) Additional Stats

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