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374 ~ Yellow-legged Clearwing ~ Synanthedon vespiformis
UK Status

Resident. Nat. Scarce B

Montgomeryshire Status

Recorded once only in 1976 from the east of the county. Could still be present.

Wingspan :  M & F, 19-27mm.

Confusion species

Six-belted Clearwing, Orange-tailed clearwing.

Flight time (Montgomeryshire)


Open woodland especially where trees have been felled.


Mainly pedunculate oak but sometimes other broad leaved trees as well.

Lifestage data

Eggs laid on stumps of recently felled trees. Larva overwinter (probably once) and feed between bark & the last 2 years of growth. 
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Montgomeryshire photos