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Pathogenicity of Rhabditid Nematodes (Nematoda: Heterorhabditidae and Steinernematidae) to Alfalfa Snout Beetle (Coleoptera: Curculionidae) Larvae
TLDR
Results from these laboratory bioassays and studies with potted plants in greenhouses suggest that entomopathogenic nematodes, particularly H. bacteriophora (Oswego strain), deserve further study as potential biological control agents against alfalfa snout beetle larvae infesting al falfa fields in New York. Expand
Nearnest behavior of a solitary muddaubing wasp,Sceliphron caementarium (Hymenoptera: Sphecidae)
TLDR
The frequency of significant responses to all manipulations decreased with successive visits by the wasps, suggesting habituation to nearnest changes. Expand
Dispersion and density of asiatic oak weevil (Coleoptera : Curculionidae) relative to oak density
TLDR
The spatial dispersion and density of the adult Asiatic oak weevil was investigated in a Missouri oak-hickory forest in relationship to the density of oaks, the preferential food source of this insect. Expand
Greenhouse and field evaluations of entomopathogenic nematodes (Nematoda:Heterorhabditidae and Steinernematidae) for control of cabbage maggot (Diptera:Anthomyiidae) on cabbage.
TLDR
Soil surface applications were more effective than subsurface applications in preventing damage by natural or augmented populations of D. radicum larvae on cabbage in the field, and mortality rates of wax moth larvae exposed to soil samples treated with S. feltiae (27 strain) suggested that this nematode showed greater persistence when applied beneath rather than on the soil surface. Expand
Behavioral Interactions Between Japanese Beetle (Coleoptera: Scarabaeidae) Grubs and an Entomopathogenic Nematode (Nematoda: Heterorhabditidae) within Turf Microcosms
Distribution of Japanese beetle, Popillia japonica Newman, grubs and dispersal of an entomopathogenic nematode, Heterorhabditis bacteriophora Poinar ‘Oswego’ strain (an isolate from New York state),Expand
Application of synthetic sex pheromone for management of diamondback moth, Plutella xylostella, in cabbage
TLDR
Overall, the results indicate that mating disruption of P. xylostella with the present technology does not appear to work even under the very controlled situations which the authors utilized to eliminate insect movement between plots. Expand
Vertical Distribution, Persistence, and Activity of Entomopathogenic Nematodes (Nematoda: Heterorhabditidae and Steinernematidae) in Alfalfa Snout Beetle- (Coleoptera: Curculionidae) Infested Fields
TLDR
By the end of the second growing season, all nematodes showed significant reductions in infection rates of G. mellonella except H. bacteriophora (Oswego) which showed high levels of infection for 24 mo. Expand
Population Regulation of Gypsy Moth (Lepidoptera: Lymantriidae) by Parasitoids: Does Spatial Density Dependence Lead to Temporal Density Dependence?
TLDR
The authors saw no evidence for a between-generation numerical response (1-ha scale) of either the generalist parasitoid, C. concinnata , or the specialist parasitoids, P. silvestris, between 1987 and 1988. Expand
Host-Plant Preference of the Asiatic Oak Weevil (Coleoptera: Curculionidae)
TLDR
The potential of the Asiatic oak weevil to affect Missouri's oak resource was addressed by determining the weevil's host plant preference for 10 common Missouri tree species and finding red and black oaks were preferred hosts. Expand
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