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Barred Tooth-striped
Trichopteryx polycommata ([Denis & Schiffermüller], 1775)
Geometridae: Larentiinae
1880 / 70.201
Photo © Jim Wheeler,  06/03/11, ex larva, West Norfolk

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Seraphim
Lobophora halterata
Forewing: 14-17mm.
Flight: One generation Mar-Apr.
Foodplant:   Wild Privet and Ash.
Red List: Least Concern (LC)
GB Status: Nationally Scarce
Former Status: Nationally Scarce A
Verification Grade:  Adult: 3
Status
Rare Breckland species.
This species appears to be in decline in Norfolk, with very few recent records, especially of larvae.

Barred Tooth-striped presence in the Norfolk Breck is remarkable because of the long distance that separates it from it's nearest currently occupied sites, in Kent and southeast England and in the Lake District.

First recorded from a single Breck site in 1980. (G. Haggett) Annual BC surveys in the 1990s and 2000s by Gerry Haggett produced further locations in the Brecks.
Larvae can be found by searching on Wild Privet in late May, early June.

Barred Tooth-striped larva are also host to the Parasitoid Wasp Earinus transversus. In a 2005 survey, 16/30 larvae were parasitised by E. transversus. No other location for this wasp is known in the world!

Adult moths can now be attracted to a new pheromone lure.

Retained Specimen / Photograph will be Required.

Recorded in 6 (8%) of 74 10k Squares.
First Recorded in 1980.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
25/03/2023128Confidential
24/03/2023128Confidential
22/03/2023128Confidential
21/03/2019128Confidential
15/03/2019128Confidential
14/03/2018228Confidential
14/03/20171428Confidential
11/03/2017128Confidential
12/04/2016128Confidential
11/04/2016+28Confidential
Further info: Trichopteryx polycommata
 
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