Geometridae : Larentiinae
ABH BF

Photo © DWLongden,  TG 057332 21.08.12

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 2014.

‹ Grey Pug  |  Lesser Treble-bar ›

Determination
Treble-bar and Lesser Treble-bar abdomen comparison - J. Wheeler
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Copyright © Jim Wheeler 2015

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 using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2015. © James Wheeler - Norfolk Moths 2015. Data © NOLA™ 2015