Geometridae : Ennominae
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Similar Dorset Species: None
 
Dusky Thorn
Ennomos fuscantaria

(Haworth, 1809) 1914 / 70.235

Davey, P., 2009: A species occurring across England and Wales, the larva feeding on ash (Fraxinus spp.). In Dorset, the moth is widely distributed across the county wherever ash is found, but it is usually at low density and seldom common. It is found in ash-dominated woods that grow on chalky soil, and in open localities where ash grows in relative isolation.

Recorded in 37 (93%) of 40 10k Squares.
First Recorded in 1929.
Last Recorded in 2019.
(Data up to end 2019)
Additional Stats

Forewing: 17-21mm
Flight: July - October
Foodplant:   Ash
Red List: Near Threatened (NT)
GB Status: Common
BAP Status: Declining (Research only)
Verification Grade:  Adult: 1
< Canary-shouldered Thorn | September Thorn >
List Species Records   [Show All Latest]
Latest 5 Records (data up to end 2019)
Date#VC10k Area
16/10/201919SY98 Wareham
07/10/201919SY78 Broadmayne
07/10/201919SY49 Bridport
30/09/201919SY79 Puddletown
30/09/201919SY98 Wareham

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