Open Access
Table 1
Virulence of Nosema pyrausta to three species of the genus Ostrinia
Insect species | Mortality within 30 days post treatment of larvae, %±SE | Mean lethal time, days±SE | ||||
II instar | III instar | IV instar | II instar | III instar | IV instar | |
Ostrinia nubilalis | 100 | 70±5.77 | 53±3.33 | 15.2±1.27 | 19.9±1.62 | 25.0±1.15 |
Ostrinia scapulalis | 100 | 76±3.33 | 57±6.67 | 14.8±1.22 | 20.0±1.45 | 25.5±0.98 |
Ostrinia furnacalis | 100 | 73±6.67 | 57±3.33 | 14.5±1.34 | 21.4±1.46 | 26.1±0.91 |
SE – Standard error
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