Sesiidae : Sesiinae
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Photo © Ian Cross,  Sallow Clearwing nectaring on Gypsywort, Tadnoll 2020. Nectaring is rarely observed in clearwings in the UK. This is a bit of a puzzle as the habit seems much more frequent on the continent.

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Similar Dorset Species: None
Sallow Clearwing
Synanthedon flaviventris

(Staudinger, 1883) 377 / 52.009

A local south-eastern and central southern England species, the larva feeding for two years within slender sallow (Salix spp.) stems up to 12 mm in diameter. For the first year there is little external evidence of the larva. However, by the second winter, a gall up to 25mm long forms from the bulbous thickening of the sallow stem. This internal activity often kills the stem above the gall. Mortality of larvae at this time is high as blue tits and related species target the galls and ichneumon... Read More

Recorded in 8 (20%) of 40 10k Squares.
First Recorded in 1929.
Last Recorded in 2006.
(Data up to end 2019)
Additional Stats

Red List: Least Concern (LC)
GB Status: Nationally Scarce
Former Status: Nationally Scarce B
Verification Grade:
< Red-tipped Clearwing  |  Orange-tailed Clearwing >
List Species Records   [Show All Latest]
Latest 5 Records (data up to end 2019)
Date#VC10k Area
01/04/200619SY98 - Wareham
14/03/200689SU11 - Alderholt
19/02/2006+9ST71 - Sturminster Newton
31/03/200489SY88 - Wool / Lulworth
20/03/200419SY88 - Wool / Lulworth

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