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- 2Ceutorhynchus obstrictus
- 1Brassica napus
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Contributions to the Life History, Host Range, and Distribution of Necremnus tidius (Hymenoptera: Eulophidae)
Download2007
Dosdall, L. M., Gibson, G. A. P., Keddie, B. A., Ulmer, B. J., Olfert, O.
Abstract: Field and laboratory studies investigated the preimaginal developmental time, adult emergence phenology, mating behavior, and weevil hosts of Necremnus tidius (Walker) (Hymenoptera: Eulophidae), a solitary ectoparasitoid of coleopteran larvae. In addition, changes in parasitism levels...
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The effects of soil and plant nutrients on the oviposition preference, larval performance and spatial dynamics of Ceutorhynchus obstrictus and its parasitoids
DownloadFall 2010
The effects of nitrogen and sulfur fertilization on the oviposition, feeding preferences, and larval performance of Ceutorhynchus obstrictus (Marsham) (Coleoptera: Curculionidae) on Brassica napus L. were examined in a series of laboratory experiments. The associations between C. obstrictus...
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