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Assessment of Toxicity of New Chemistry Insecticides against Coccinella Septempunctata under Laboratory Conditions

Assessment of Toxicity of New Chemistry Insecticides against Coccinella Septempunctata under Laboratory Conditions

Aasma Rasheed1, Dilbar Hussain2, Usama Saleem1, Saddam Hussain3, Zeeshan Javed1, Mashal Shahzadi1, Muhammad Sohail Qadir2, Muhammad Saleem2, Abdul Ghaffar2, Mawra Rafique4, Ayesha Ikram5, Saad Rasheed1 and  Muhammad Asrar1*

1Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad, Faisalabad, Pakistan; 2Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan; 3Department of Zoology, Faculty of Basic Sciences, The University of Agriculture, Dera Ismail Khan, Pakistan; 4Department of Zoology, Government Graduate College for Women Gulshan Colony Faisalabad, Pakistan; 5Department of Zoology, Faculty of Sciences, University of Agriculture Faisalabad, Pakistan.

 
*Correspondence |Muhammad Asrar, Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad, Faisalabad, Pakistan; Email: asrar@gcuf.edu.pk

ABSTRACT

Ladybird beetle (Coccinella septempunctata) is present in various crops like cotton, sunflower, fruit plants, and vegetables. C. septempunctata is the free living predatory specie of sucking insect pests such as aphids, mealybugs, and whiteflies and consume many preys during its lifetime. C. septempunctata larvae and adults are both active predators. The present study regarding toxicity of new chemistry insecticides against C. septempunctata was conducted under laboratory conditions. The toxic potential of six synthetic insecticides Emamectin benzoate (200ml/acre), Indoxacarb (175ml/acre), Lufenuron (200ml/acre), Spinetoram (80ml/acre), Chlorantraniliprole (50ml/acre), and Flubendiamide (50ml/acre) were tested on C. septempuctata. The leaf dip bioassay method was performed by collecting sunflower leaves and a 2cm leaf disc with larvae was dipped in insecticides. Data regarding mortality was recorded after 24, 48, 72, 96, and 120 hours. Mortality rates were as follows: 28% for emamectin benzoate, 26% for indoxacarb, 22% for lufenuron, 22% for Spinetoram, 16% for chlorantraniliprole, 14% for chlorantraniliprole, and 10% for Flubendiamide. However, Lufenuron, Spinetoram, and Chlorantraniliprole exhibited moderate toxicity, Indoxacrab and Emamectin benzoate showed severe toxicity, and Flubendiamide showed low toxicity. Our findings offer insights for integrating chemical and biological control strategies to manage sucking insect pests comprehensively.

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Pakistan Journal of Zoology

October

Pakistan J. Zool., Vol. 56, Iss. 5, pp. 2001-2500

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