Erebidae : Boletobiinae
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Photo © Liz Goodyear,  Hexton Chalk Pit, Hertfordshire (10/05/15)

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Similar Herts & Middlesex Species: None
Small Purple-barred
Phytometra viridaria

(Clerck, 1759) 2470 / 72.067

General comments:
Extremely local and scarce resident. Declining.

Scattered sites on the chalk between Buckinghamshire in the west and Cambridgeshire in the east still support small populations. Although adults will come to light, daytime recording is more productive; the species may be slightly under-recorded but is nevertheless a rare find in our area and has certainly vanished from some sites. The Broxbourne record in the south-east, which was given by Boyd in his 1901 list for the Cheshunt area, is surely suspect and at best may relate to a vagrant, as do the singletons recorded in 1999 and 2000 in the light trap on the Rothamsted Estate at Harpenden. In Middlesex it is almost certainly extinct - reported only from Ruislip in 1940 and Brentford a few years earlier.

Retained Specimen / Photograph will be Required.

Recorded in 12 (29%) of 41 10k Squares.
First Recorded in 1900.
Last Recorded in 2020.
Additional Stats

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List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
29/07/2020120TL33 - Therfield / Barkway
09/05/2020120TL12 - Hitchin (S) / Whitwell
15/05/2019120TL12 - Hitchin (S) / Whitwell
21/05/2018120TL12 - Hitchin (S) / Whitwell
19/05/20181020TL12 - Hitchin (S) / Whitwell
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Small Purple-barred
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 9-11mm.
Flight: One generation May-July.
Foodplant:   Common and Heath Milkwort
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 3
 Immature Adult   [Show Flight Weeks]
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