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Influence of plant host on searching speed of two predators

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Abstract

First and second instars ofChrysopa carnea Stephens andColeomegilla maculata (De Geer) were able to search much faster on cotton than tobacco. Searching speeds of the two predators on tobacco were inversely dependent on density of glandular trichomes.

Résumé

Influence de la plante-hôte sur la vitesse de chasse de deux prédateurs

Les premier et deuxième stades deChrysopa carnea Stephens et deColeomegilla maculata (de Geer) sont capables de chasser plus rapidement sur coton que sur tabac. La vitesse de chasse des deux prédateurs sur tabac est inversement fonction de la densité des trichomes glandulaires.

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References

  • Elsey, K. D. — 1972. Predation ofHeliothis eggs on tobacco. —Environ. Entomol., 1, 433–8.

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Authors and Affiliations

  1. Tobacco Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, 27565, Oxford, North Carolina, USA

    K. D. Elsey

Authors
  1. K. D. Elsey
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Additional information

Cooperative investigations of the Oxford Tobacco Research Laboratory, Southern Region, Agric. Res. Serv., USDA, Oxford, N. C., the North Carolina Department of Agriculture, and the North Carolina State University Agricultural Experiment Station, Raleigh, N. C.

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Elsey, K.D. Influence of plant host on searching speed of two predators. Entomophaga 19, 3–6 (1974). https://doi.org/10.1007/BF02371503

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  • DOI: https://doi.org/10.1007/BF02371503

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