Geographical, spatial and temporal variability in the balanced polymorphism of Philænus spumarius

@article{Halkka1964GeographicalSA,
  title={Geographical, spatial and temporal variability in the balanced polymorphism of Phil{\ae}nus spumarius},
  author={Olli Halkka},
  journal={Heredity},
  year={1964},
  volume={19},
  pages={383-401}
}
THE meadow spittlebug, Phileenus spumarius L. (Homoptera), is found from the British Isles to Japan, from Sicily to Lapland and everywhere in North America from California to Canada. In many places along its range the species is also very abundant, reaching population densities of more than 400/rn2 in alfalfa (lucerne or Medicago sativa) fields in the… CONTINUE READING