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Table 1 Probit analysis data on mortality time of Xylosandrus germanus females after applications of two conidial concentrations of Metarhizium anisopliae TR-106 isolate on hazelnut branches and beetle females

From: Efficacy of native isolates of Metarhizium anisopliae and Beauveria bassiana against the invasive ambrosia beetle, Xylosandrus germanus Blandford (Coleoptera: Curculionidae: Scolytinae)

Variables 1 × 106 conidia ml−1 1 × 108 conidia ml−1
On branch On insect On branch On insect
LT50 (95% fiducial limit) 5.45 (4.85–6.21) b* 6.67 (6.06–7.59) b 3.97 (3.49–4.41) a 4.43 (4.10–4.73) a
LT90 (95% fiducial limit) 10.41 (8.54–14.88) b 11.25 (9.34–16.17) b 5.68 (5.04–6.90) a 6.01 (5.55–6.76) a
Slope ± SE 4.56 ± 0.68 b 5.63 ± 0.99 b 8.25 ± 1.06 a 9.66 ± 1.35 a
Regression equation y = − 3.36 + 4.56x y = − 4.64 + 5.63x y = − 4.94 + 8.25x y = − 6.24 + 9.66x
χ2 41.89 23.04 67.99 22.70
D f 38 38 38 38
Heterogeneity 1.10 0.61 1.79 0.60
  1. *Within rows, means followed by the same lower case letters do not differ significantly