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|Peppered Moth Biston betularia|
Distribution and Abundance: Common.
Primary Habitat: General occurrence.
Flight Period: Single brooded from May to July.
melanic form carbonaria and the intermediate
form insularia appear to have spread into
Northamptonshire around 1890 with the
melanic eventually replacing the typical as the
dominant form. Wellingborough light trap records from the
1950s clearly show this dominance with the
representative season of 1955 producing the following
L.O.N.: 1907. Many localities. Rather common.
First Record: 1842, Clark.