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Stenoptilia bipunctidactyla
Twin-spot Plume (Scopoli, 1763)
Pterophoridae: Pterophorinae
1508 / 45.013
Photo © Keith Kerr,  17/08/21 Litcham (male gendet)

Similar Norfolk Species
Small Scabious Plume
Stenoptilia annadactyla
Brown Plume
Stenoptilia pterodactyla
Wingspan: 17-25 mm.
Flight: Two overlapping generations May - Oct.
Foodplant:   Devil's-bit Scabious, Field Scabious and Small Scabious.
Nat Status: Common
Verification Grade:  Adult: 3
Norfolk Status
Smaller than Stenoptilia pterodactyla; greyish rather than brown, more prominent spots to the forewing giving a peppered look. It is quite likely these two species are being confused and mis-recorded in Norfolk.

Specimens found as larvae on Scabiosa columbaria in the Brecks have been attributed to Stenoptilia annadyctyla which has similar wings, but distinct differences in the female genitalia.

Examination of the genitalia is therefore advised.

Final instar larvae is usualy green with a dark red dorsal line bordered by yellow/green subdorsal lines.

Grassland and scrub.

Retained Specimen / Photograph will be Required.

Recorded in 29 (39%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
17/08/2021128TF81 - Castle Acre/Litcham
23/07/2021+28TF72 - Hillington/Houghton
10/08/2020128TF74 - Holme/Titchwell
08/08/2020128TF74 - Holme/Titchwell
16/07/2020+28TF74 - Holme/Titchwell
Further info: Stenoptilia bipunctidactyla
 
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