Abstract
Four carabid species,Anisodactylus santaecrucis, Bembidion quadrimaculatum oppositum, Pterostichus lucublandus andPterostichus melanarius, abundant in carrot fields in southwestern Quebec, were tested for predation against the carrot weevil,Listronotus oregonensis, on host plants. The largest species,Pterostichus melanarius, consumed the greatest number of carrot weevil larvae and pupae.Bembidion quadrimaculatum oppositum did not prey on carrot weevil eggs laid on carrot leaves.
Résumé
Quatre espèces de Carabidae,Anisodactylus santaecrucis, Bembidion quadrimaculatum oppositum, Pterostichus lucublandus, etPterostichus melanarius, abondantes dans les champs de carottes du sud-ouest du Québec, ont été testées en laboratoire comme prédateurs du charançon de la carotte,Listronotus oregonensis. L'espèce de Carabidae la plus grande,P. melanarius, a consommé le plus grand nombre de larves et de pupes du charançon de la carotte.B. quadrimaculatum oppositum n'a pas dévoré d'œufs de charançon lorsque ces derniers étaient pondus sur des feuilles de carottes.
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Zhao, D.X., Boivin, G. & Stewart, R.K. Consumption of carrot weevil,Listronotus oregonensis, [Coleoptera: Curculionidae] by four species of carabids on host plants in the laboratory. Entomophaga 35, 57–60 (1990). https://doi.org/10.1007/BF02374301
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DOI: https://doi.org/10.1007/BF02374301