Background Selections of the Pale and Melanic Forms of the Cryptic Moth, Phigalia titea (Cramer)

@article{Sargent1969BackgroundSO,
  title={Background Selections of the Pale and Melanic Forms of the Cryptic Moth, Phigalia titea (Cramer)},
  author={T. D. Sargent},
  journal={Nature},
  year={1969},
  volume={222},
  pages={585-586}
}
KETTLEWELL1 demonstrated that the pale (typical) and melanic (carbonaria) forms of the peppered moth, Biston betularia L., tend to rest on white and black backgrounds respectively, when presented with a choice between the two. I wish to summarize results obtained in a similar experiment, using typical and melanic individuals of the North American geometrid, Phigalia titea. 
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TLDR
Studies on the mechanism of background selection, and on background selection in polymorphic species, are reviewed. Expand
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TLDR
Background choice experiments were performed using polymorphic night flying moths common in Britain and emerging at different times of the year using morphs of the same species to find the backgrounds most appropriate to their colouration. Expand
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Melanic and typical morphs of Biston betularius (L.), Oligia latruncula (D. & S.) and 0. strigilis (L.) made choices between vertical trunks and horizontal branches, sprayed with white and blackExpand
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TLDR
A method is presented for quantitative estimation of the degree of crypsis of species seen by visual predators against known backgrounds based upon a comparison between transects taken across animal and background colour patterns, which is useful for studies of Crypsis as well as in sexual selection. Expand
Lichen mimesis in mid-Mesozoic lacewings
TLDR
The earliest fossil evidence of a mimetic relationship between the moth lacewing mimic Lichenipolystoechotes gen. nov. and its co-occurring fossil lichen model Daohugouthallus ciliiferus is provided. Expand
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It is shown that in the Manchester district between the years 1848 and 1898, the jet-black form of the peppered moth had an approximate 30 per cent advantage over pale lichen-like individuals, which were the only ones known there until the middle of the last century. Expand
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(1) Within the last 100 years about 70 species of moth in Britain and Europe have developed melanic forms in and around industrial areas. These have increased in relative frequency through naturalExpand
A survey of the frequencies of Biston betularia (L.) (Lep.) and its melanic forms in Great Britain
A survey of the frequencies of Biston betularia (L.) (Lep.) and its melanic forms in Great Britain