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Large Red-belted Clearwing
Synanthedon culiciformis (Linnaeus, 1758)
Sesiidae: Sesiinae
381 / 52.007
Photo © Anne Crotty,  Salthouse Heath 07/05/14

Similar Norfolk Species
Red-belted Clearwing
Synanthedon myopaeformis
Red-tipped Clearwing
Synanthedon formicaeformis
Forewing: 12-14mm.
Flight: One generation. May-June.
Foodplant:   Downy Birch, Silver Birch.
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 3
Norfolk Status
Becoming very scarce in Norfolk.
Birch stumps. Found visiting flowers on sunny days.
Distinguished by orange palps and orange-red suffusion at the base of the forewings.

Red-belted: White Palps
Large Red-belted: Orange Palps

Please note both Large Red-belted (culiciformis) and Red-belted (myopaeformis) can be attrected by the same pheromone lures. Best determined by colour of the palps (see article below)

Recent records from Marsham Heath, Dersingham Bog NNR, Holt Lowes and Salthouse Heath.

Pheromone attractants: myo or cul
Pheromone activity day times: 13:00-19:15, peak 14:00-16:00.
Anglian Lepidopterist Supplies

Retained Specimen / Photograph will be Required.

Recorded in 19 (28%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
13/06/2020127TG23 - N.Walsham/Roughton
26/05/2020128TF91 - Dereham
15/05/2020227TG12 - Aylsham
09/05/2020127TG13 - Baconsthorpe
08/05/2020127TG13 - Baconsthorpe
Further info: Synanthedon culiciformis
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