Competition among larvae of Hippelates collusor (Diptera: chloropidae) as a natural control factor.

  title={Competition among larvae of Hippelates collusor (Diptera: chloropidae) as a natural control factor.},
  author={E. Fred Legner},
  journal={Journal of economic entomology},
  volume={59 6},
  • E. Legner
  • Published 1 December 1966
  • Biology
  • Journal of economic entomology
Competition in the laboratory among larvae of Hippelates Collusor Townsend on the roots of millet seedlings reached an intensity that has not been observed under field conditions in southern California. Crowded populations resulted in fewer and smaller adults than uncrowded populations. When the oven-dry weight of emerged adults fell below about 0.50×10-4g, it represented competition at its greatest intensity. Additional crowding at this point resulted in a decrease of adult development… 
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Data and previous knowledge on the reproductive biology of Hippelates pusio indicate that the birth rate of this species is independent of adult density, within then density range investigated.

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