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Insects of Britain and Ireland |
Ochropacha duplaris (Common Lutestring), normal and melanic.
Figs. 2–4 typify specimens collected around Leek (N. Staffs.) during the decade 1948–1958, which were all melanic. Reflecting industrial melanism, by contrast with lighter specimens (e.g., 1) found at Holme Fen near Peterborough in 1956?
Revised 11 May 2019