Beauveria bassiana Strains for Biological Control of Cosmopolites sordidus (Germ.) (Coleoptera: Curculionidae) in Plantain

Table 2

Mortality and population reduction for adults of C. sordidus (±SE) trapped in plantain cv. Terra under different pest management practices. Mutuípe and Wenceslau Guimarães, Bahia, Brazil.

Treatments	Mortality^1 (%)		Population reduction^2 (%)
	Mutuípe	Wenceslau Guimarães	Mutuípe	Wenceslau Guimarães
Beauveria bassiana CNPMF 218	20.2 ± 1.4	17.6 ± 1.2	41.3 ± 4.9	35.6 ± 4.8
Beauveria bassiana CNPMF 407	10.5 ± 0.9	8.9 ± 0.5	27.4 ± 3.8	23.8 ± 4.8
Beauveria bassiana CNPMF 416	5.6 ± 0.6	5.5 ± 0.4	29.0 ± 2.4	18.3 ± 3.4
Control	1.4 ± 0.2	1.1 ± 0.1	—	—
Chemical pesticide	93.4 ± 0.7	92.2 ± 0.6	93.6 ± 0.7	93.9 ± 0.5

1(Total of dead insects/total of live insects + dead insects found in traps in each treatment) × 100 per evaluation.
²[1 − (Total live insects trapped in each treatment/total live insects trapped by no control treatment)] × 100 per evaluation.