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Agonopterix purpurea
Least Brown (Haworth, 1811)
Depressariidae: Depressariinae
691 / 32.009
Photo © Ben Sale

Similar Suffolk Species
Purple-shaded Brown
Agonopterix liturosa
Willow Brown
Agonopterix conterminella
Wingspan: 11-15mm.
Flight: Aug - June (hibernates)
Foodplant:   Cow parsley, Wild Carrot, others.
Nat Status: Local
Verification Grade:  Adult: 1

Morley’s Final Catalogue: Quite rare with us; feeding on Anthriscus. Taken at Fritton before 1890 (Bd); later at Copdock (Hkg), Monks Soham light in 1934 (Trans, ii, p. clxxxv), and Bungay (Crf). To south of Thetford in 1934 (Whit.).

Recent Status: A rare species in Suffolk.

Life Style: Single brooded and hibernates. The moth flies by day and night and comes to light. The larvae feed from a spun rolled leaf on Anthriscus, Chaerophyllum, Daucus or Torillis. Pupates in a cocoon on the ground.

Identification: This is one of our smallest Agonopterix species at 11 to 15 mm wing span. It has a very variable colouring. There is a strong basal dash with the wing base and costa base often white. The termen is spotted. The Agonopterix twin spots may be joined and white beyond. There can also be a spot beyond. The costal half, except for the spotted costal strip, is usually darker than the dorsal half. Colours vary through purple grey to reddish brown.

Recorded in 13 (22%) of 58 10k Squares.
First Recorded in 1934.
Last Recorded in 2023.

Latest 5 Records
Date#VC10k Area
12/10/2023125TM25 - Wickham Market/Otley
14/05/2023125TM25 - Wickham Market/Otley
27/04/2023125TM25 - Wickham Market/Otley
14/10/2022125TM25 - Wickham Market/Otley
16/08/2022125TM05 - Stowmarket/Needham Market
Further info: Agonopterix purpurea
 
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