Geometridae: Larentiinae

1867 (ABH70.192) Treble Bar Aplocera plagiata, (Linnaeus, 1758)

KR08620

ex. larva, Bedford Purlieus, August 2011
ex. larva, Bedford Purlieus, August 2011
 Photo © Peter Bissell
ex. larva, Bedford Purlieus, August 2011
 Photo © Peter Bissell
 pre-2000
 2000-2009
 2010-2019
 2020-onwards
ex. larva, Bedford Purlieus, August 2011
ex. larva, Bedford Purlieus, August 2011
 Photo © Peter Bissell
ex. larva, Bedford Purlieus, August 2011
ex. larva, Bedford Purlieus, August 2011
 Photo © Peter Bissell
Hemingford Grey
Hemingford Grey
 Photo © Nick Greatorex-Davies
Hemingford Grey
Hemingford Grey
 Photo © Nick Greatorex-Davies
Earith
Earith
 Photo © David Griffiths
Earith
Earith
 Photo © David Griffiths
Hemingford Grey, 7th Aug. 2020. Light trap.
Hemingford Grey, 7th Aug. 2020. Light trap.
 Photo © Nick Greatorex-Davies
nr. Llanfair Talhaiarn, N. Wales. 07-08-2023. Light trap.
nr. Llanfair Talhaiarn, N. Wales. 07-08-2023. Light trap.
 Photo © Nick Greatorex-Davies
Hemingford Grey
Hemingford Grey
 Photo © Nick Greatorex-Davies
on St. John's Wort, Bedford Purlieus, July 2011
on St. John's Wort, Bedford Purlieus, July 2011
 Photo © Peter Bissell
on St. John's Wort, Bedford Purlieus, July 2011
on St. John's Wort, Bedford Purlieus, July 2011
 Photo © Peter Bissell


General Information

Pupates in loose soil.

Overwinters as Overwinters as a larva.
Both sexes come to light but in small numbers only.
Often disturbed during day

Forewing length: 19-22mm.
Foodplant(s): St John's-worts (Hypericum spp.)
Flying: Two generations, May-June and August-September
UK Presence: Resident
National status: Common

Habitat

Field margins, grassland, heathland and moorland.

Regional Information

Recorded in 85 (31.5%) of the 270 2km squares of Huntingdonshire.

Last recorded in October 2025

Recorded date range (Adult): 01 May to 04 October

Recorded date range (Larva/Leafmine): 17 April to 29 April

Similar Species
Seghill, Northumberland
Seghill, Northumberland
 Photo © Ian Fisher
Lesser Treble-bar Aplocera efformata


Larva/Leafmine:
Larva Type:
Wrinkled
Colours:
Brown, grey, purple
No. of Proleg Pairs:
2