The family Sesiidae has 15 representatives in Great Britain, one of which is of uncertain status:
Subfamily Sesiinae
Sesia apiformis, hornet moth — east, south (Nationally Scarce B) Sesia bembeciformis, lunar hornet moth — throughout
Subfamily Paranthreninae
Paranthrene tabaniformis, dusky clearwing — south (presumed extinct) Synanthedon tipuliformis, currant clearwing — throughout England, local Wales, Scotland & Isle of Man (Nationally Scarce B) Synanthedon vespiformis, yellow-legged clearwing — south, central (Nationally Scarce B) Synanthedon spheciformis, white-barred clearwing — south, central (not south-west) (Nationally Scarce B) Synanthedon scoliaeformis, Welsh clearwing — Wales & Scotland (Red Data Book) Synanthedon flaviventris, sallow clearwing — south (Nationally Scarce B) Synanthedon andrenaeformis, orange-tailed clearwing — south (Nationally Scarce B) Synanthedon myopaeformis, red-belted clearwing — south (Nationally Scarce B) Synanthedon formicaeformis, red-tipped clearwing — England, Glamorgan, Dumfries and Galloway (Nationally Scarce B) Synanthedon culiciformis, large red-belted clearwing — throughout (Nationally Scarce B) Bembecia ichneumoniformis, six-belted clearwing — south, central (Nationally Scarce B) Synansphecia muscaeformis, thrift clearwing — south-west, north-east (Nationally Scarce B) Pyropteron chrysidiformis, fiery clearwing — south-east (Red Data Book) ‡
Species listed in the 2007 UK Biodiversity Action Plan (BAP)Butterfly Conservation, 2007. The UK Biodiversity Action Plan – Moths. Butterfly Conservation, Wareham, UK. 4p. are indicated by a double-dagger symbol (‡)—species so listed for research purposes only are also indicated with an asterisk (‡*).
See also List of moths of Great Britain (overview) Family lists: Hepialidae, Cossidae, Zygaenidae, Limacodidae, Sesiidae, Lasiocampidae, Saturniidae, Endromidae, Drepanidae, Thyatiridae, Geometridae, Sphingidae, Notodontidae, Thaumetopoeidae, Lymantriidae, Arctiidae, Ctenuchidae, Nolidae, Noctuidae and Micromoths
References
Waring, Paul, Martin Townsend and Richard Lewington (2003) Field Guide to the Moths of Great Britain and Ireland. British Wildlife Publishing, Hook, UK. .