Dispersal of the Filth Fly Parasitoid Spalangia cameroni (Hymenoptera: Pteromalidae) in a Swine Facility Using Fluorescent Dust Marking and Sentinel Pupal Bags

摘要: Abstract Fluorescent dust marking and sentinel pupal bags were used in 1998 1999 to examine dispersal, spatial distribution, duration of activity mass-released Spalangia cameroni Perkins a swine facility. In 1998, four releases conducted the period May–November final release was completed August. Males observed large numbers on window sites shortly after releases, whereas females seemed remain environment. However, one trial, probably due high air temperatures facility, similar flight propensity toward noted for females. The distribution parasitoids clearly aggregated within perimeter 3 m from point. marked S. cameroni, measured as number attacked parasitism, declined low level 2 wk time release. results are discussed relation strategies control nuisance flies.