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Host plant influences on sex pheromone behavior of phytophagous insects.
TLDR
Host plant influences on insect sex pheromone communication may be important aspects of the formation of feeding and mating aggregations, of insect strategies to locate both hosts and mates, of behavioral reproductive isolation among sibling species, and of the regulation of reproduction to coincide with the availability of food and oviposition sites.
Biorational approaches to managing stored-product insects.
TLDR
Some of the most promising biorational management tools for farm-stored grain are temperature management and use of natural enemies, and new tools for computer-assisted decision-making and insect sampling at grain elevators appear most promising.
Phosphine Resistance in Tribolium castaneum and Rhyzopertha dominica from Stored Wheat in Oklahoma
TLDR
A substantial increase in phosphine resistance in these major stored-wheat pests in the past 21 yr is suggested, and these levels of resistance to phosphine approach those reported for other stored-grain pest species in other countries.
Activity of Plodia interpunctella (Lepidoptera: Pyralidae) in and Around Flour Mills
TLDR
High levels of P. interpunctella outdoors relative to those recorded inside a food processing facility are recorded, indicating potential forimmigration into flour mills and other stored product facilities from other sources may be greater than previously recognized.
Semiochemicals of stored-product insects: research and applications
TLDR
The role of semiochemicals in stored-product pest management is increasing as more biorational methods are employed and host-finding efficiency of natural enemies in biological control programs could be improved with the use of kairomones in mass-rearing or release protocols.
Suitability of Different Lepidopteran Host Species for Development of Bracon hebetor (Hymenoptera: Braconidae)
TLDR
Results from these studies suggest that B. hebetor females can use a wide range of lepidopteran hosts for paralysis and oviposition, but cannot necessarily develop and reproduce on all host species that it can paralyze and Oviposit on, and optimum reproduction is with the stored-product pyralid hosts.
Multiple Origins of Cyclodiene Insecticide Resistance in Tribolium castaneum (Coleoptera: Tenebrionidae)
TLDR
The number of independent origins of cyclodiene insecticide resistance in the red flour beetle Tribolium castaneum is studied to suggest that multiple origins of insecticides resistance (associated with specific point mutations) may be more common than the spread of single events.
Ecological Networks in Stored Grain: Key Postharvest Nodes for Emerging Pests, Pathogens, and Mycotoxins
TLDR
The structure of rail networks for grain transport in the United States and Eastern Australia is evaluated to identify the shortest paths for the anthropogenic dispersal of pests and mycotoxins, as well as the major sources, sinks, and bridges for movement.
Estimating Populations of Grain Beetles Using Probe Traps in Wheat-Filled Concrete Silos
TLDR
Comparison of slopes (insects recovered in grain samples regressed on insects in probe traps) showed that there were significant differences by trap position for C. ferrugineus but not R. dominica; multiple regression models show the potential for methodical use of grain probe traps in pest management decision-making.
Behavioral responses to food volatiles by two species of stored-product coleoptera,Sitophilus oryzae (curculionidae) andTribolium castaneum (tenebrionidae)
TLDR
Behavioral activity of grain-derived volatiles as attractants and pheromone synergists for Sitophilus oryzae and Tribolium castaneum suggests that more effective traps can be devised for management of these pest insects.
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