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Effect of exposure time. Cumulative daily proportional survival of female An. gambiae s.s. exposed to control papers (black) or proofing papers mechanically coated with 1011 or 1012 B. bassiana spores/m2 that were produced in PennState, USA. Data show survival curves (average ± SE) of three replicates of 40 females exposed for 5 min (green), 0.5 hr (blue) or 3 hrs (red).
