Camberwell beauties Nymphalis antiopa (L.) (Lep. Nymphalidae) and swallowtails Papilio machaon L. (Lep.: Papilionidae) in Shetland
Published in Entomologist's Record and Journal of Variation, in 1996, in volume 108, issue 3-4, pages 67-68
Date published:1996
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