An automatic carbon dioxide delivery system for mosquito light trap surveys.

of B. sphaericru was based on the instar and age of the larvae, i.e., 2nd instar and early to middle-aged 4th instar larvae that fed on B. sphaeri,cuiwere susceptible, while late 4th instar larvae that ceased to feed and pupated prior to ingestion of B. splnerin r survived the bacillus bui succumbed to the effects of Arosurf MSF. Bioassays also indicated that effective dispersal of B. sphaericus over the surface of the water will result when Arosurf MSF is combined with water-base formulations of B. sphaericus. Blends