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1. Host recognition and movement among plant species is widely studied in adult insects. These behaviours are rarely considered in juveniles despite evidence that they also move between plants.
2. This study investigated what may influence caterpillars of a generalist moth Helicoverpa punctigera to move among individual plants and whether caterpillars gravitate towards more vigorously flowering plants...
1. Worldwide, the excessive use of insecticides has resulted in field‐evolved insecticide‐resistant populations of diamondback moth (DBM), Plutella xylostella. A deltamethrin‐resistant DBM population from the field was divided into two subpopulations in the laboratory. One population (S‐strain) was maintained with no further exposure to insecticides, whereas the other population (R‐strain) was maintained...
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