Geometridae : Larentiinae
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Photo © Dave Appleton,  16/06/2013 - Bittering (Salter's Lane works)

Similar Norfolk Species
Lesser Treble-bar
Aplocera efformata
 
Treble-bar
1867 Aplocera plagiata
(Linnaeus, 1758) 70.192
Norfolk status
Common.
One of the larger Geometrids.
Many habitats.

Difficult to tell apart from the much less common Lesser Treble-bar.
Separated by differences in the abdomen (see next species for details)

Recorded in 61 (88%) of 69 10k Squares.
First Recorded in 1940.
Last Recorded in 2013.

‹ Grey Pug  |  Lesser Treble-bar ›

Determination
Treble-bar and Lesser Treble-bar abdomen comparison - J. Wheeler
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
05/10/2013127TG10 - Wymondham/Cringleford
03/10/2013127TG11 - Drayton/Swannington
01/10/2013127TG11 - Drayton/Swannington
26/09/2013127TG11 - Drayton/Swannington
25/09/2013127TG14 - Sheringham
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Treble-bar?
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Copyright © Jim Wheeler 2014
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 19-22mm.
Season: Two generations May-June. Aug-Sept.
Foodplant:   St John's-worts
Nat Status: Common
 Immature Adult
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Underlying maps produced by MapMate™ using Digital Map Data © HarperCollins-Bartholomew 2014. Data © Norfolk Moths 2014. Technology based on work by Mark Yeates @ MapMate™