Mean aphid survival, sporulation, and mortality after exposure to P. neoaphidis. Asterisks represent significant differences compared to the uninfected control line (UC) determined by logistic regression with a likelihood ratio test using arcsin-transformed data (α = 0.05). HR, H. defensa plus R. insecticola. *, 0.05 > P > 0.01; **, 0.01 > P > 0.001; ***, 0.001 > P > 0.0001; ****, 0.0001 > P > 0.00001.