The samurai wasp, Trissolcus japonicus, has received considerable attention as a biological control for brown marmorated stink bug. However, there has been little focus on behaviors involved in the foraging strategies of samurai wasps and the relationship between various cues and innate foraging behaviors on efficacy and nontarget impacts. Using a combination of laboratory and field experiments, we assessed some of the foraging behaviors exhibited by T. japonicus. In particular, we explored dispersal, host density, host cues, and age effects. Ecological context and biological control impacts of these behaviors are discussed.
