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Table 1 Area covered against various sugarcane borers at farmers’ fields during different years

From: Evaluation of augmentative biological control strategy against major borer insect pests of sugarcane—a large-scale field appraisal

Year Treatments Area covered (ha) against Total
C. infuscatellus S. excerptalis C. auricilius
2015 Biocontrol practicea 88.4 76.0 122.0 286.4
Farmers’ practice 11.0 9.7 17.6 48.3
Untreated control 4.3 3.8 6.8 14.9
2016 Biocontrol practicea 146.0 78.0 182.4 406.4
Farmers’ practice 21.1 10.9 25.8 57.8
Untreated control 7.9 4.6 11.1 23.6
2017 Biocontrol practicea 160.8 88.8 251.2 500.8
Farmers’ practice 24.8 14.3 37.5 76.6
Untreated control 9.4 5.9 15.4 30.7
2018 Biocontrol practicea 217.6 208.0 482.0 907.6
Farmers’ practice 28.5 27.8 75.2 131.5
Untreated control 13.2 12.6 28.8 54.6
2019 Biocontrol practicea 215.2 204.0 323.2 742.4
Farmers’ practice 31.0 29.1 48.4 108.5
Untreated control 31.0 29.1 48.4 108.5
Total Biocontrol practicea 828.0 654.8 1360.8 2843.6
Farmers’ practice 116.4 101.8 204.5 422.7
Untreated control 46.3 40.0 82.7 169.0
  1. a8 releases against C. infuscatellus and S. excerptalis during April to June; 10–12 releases against C. auricilius during July to October