The determination of larval phase coloration in the African armyworm, Spodoptera exempta and its consequences for thermoregulation and protection from UV light

@article{Gunn1998TheDO,
  title={The determination of larval phase coloration in the African armyworm, Spodoptera exempta and its consequences for thermoregulation and protection from UV light},
  author={Alan Gunn},
  journal={Entomologia Experimentalis et Applicata},
  year={1998},
  volume={86}
}
  • A. Gunn
  • Published 1 February 1998
  • Biology
  • Entomologia Experimentalis et Applicata
Spodoptera exempta exhibits a density‐dependent phase polyphenism in which caterpillars reared in isolation (phase solitaria) tend to be green/brown and cryptic while those reared in groups (phase gregaria) are black and highly visible. Differences in coloration between solitaria and gregaria phase larvae become apparent in the third instar and are pronounced by the final instar. Larval rearing densities as low as two larvae per 250 ml container are sufficient to induce gregaria coloration in… Expand
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