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Thermal Tolerance of Red Flour Beetle

Thermal Tolerance of Red Flour Beetle. USDA-ARS, Parlier, CA Judy Johnson and Karen Valero. RFB Life Stages. Larva. Adult. Pupa. 48C. 1.0. 0.8. 20. 0.6. 30. 40. 0.4. 0.2. 0.0. 50C. 1.0. 4. 0.8. 8. 0.6. 12. 0.4. 0.2. 0.0. 52C. 1.0. 0.5. 0.8. 1. 0.6. 2. 0.4. 0.2.

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Thermal Tolerance of Red Flour Beetle

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  1. Thermal Tolerance of Red Flour Beetle USDA-ARS, Parlier, CA Judy Johnson and Karen Valero

  2. RFB Life Stages Larva Adult Pupa

  3. 48C 1.0 0.8 20 0.6 30 40 0.4 0.2 0.0 50C 1.0 4 0.8 8 0.6 12 0.4 0.2 0.0 52C 1.0 0.5 0.8 1 0.6 2 0.4 0.2 0.0 Adults Pupae Late Larvae Early Larvae Eggs Thermal Tolerance of RFB Life Stages Mortality

  4. 0.9 0.8 52C 50C 0.7 48C Linear (48C) 0.6 Linear (50C) 0.5 Linear (52C) (N/N0)0.5 0.4 0.3 0.2 0.1 0 0 20 40 60 80 100 Time (min) Thermal mortality curves for late instar RFB

  5. Lethal times estimated from kinetic model for late instar RFB

  6. NOW 100 IMM RFB Linear (RFB) Linear (NOW) Linear (IMM) 10 Time (min) 0.1 42 44 46 48 50 52 54 Temperature (C) Comparison of TDT curves for target species

  7. Comparison of lethal times for target species

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