Dr. El-Sayed Abdel-Malek Elmadany El-Sheikh
My Social Links

Dr. El-Sayed Abdel-Malek Elmadany El-Sheikh

Zagazig University, Egypt

Highest Degree
Ph.D. in Agricultural Science from Zagazig University, Egypt

Share this Profile


Dr. El-Sayed Abdel-Malek Elmadany El-Sheikh is currently working as Associate Professor at Zagazig University, Egypt. He obtained his Ph.D. in Agricultural Science from same University. His area of interest related to Biopesticides, Insect Control, Integrated Pest Management, Insecticide Toxicology, and Insect Viruses. His area of expertise includes Baculoviruses, Insect Enzymes, Pest Control, Insecticides, Pesticides, Toxicology, Residue, Analysis, Bioinsecticides, Biocides, Biotechnological control, IPM, and Biological control. He is author and coauthor of more than17 journal papers.

Area of Interest:

Plant and Soil Sciences
Biological Control
Integrated Pest Management

Research Publications in Numbers


Selected Publications

  1. El-Sheikh, E.S.A.M., M.A. El-Saleh, A.A. Aioub and W.M. Desuky, 2018. Toxic effects of neonicotinoid insecticides on a field strain of cotton leafworm, Spodoptera littoralis. Asian J. Biol. Sci., 11: 179-185.
    CrossRef  |  Direct Link  |  
  2. Vasylieva, N., B. Barnych, D. Wan, E.S.A. El-Sheikh and H.M. Nguyen et al., 2017. Hydroxy-fipronil is a new urinary biomarker of exposure to fipronil. Environ. Int., 103: 91-98.
    CrossRef  |  Direct Link  |  
  3. Abdel-Khalik, L.E., E.S.A. El-Sheikh, D.A. Ragheb and M.B.A. Ashour, 2017. Efficacy and virulence of Spodoptera littoralis nucleopolyhedrovirus on S. littoralis larval feeding and susceptibility. Zagazig J. Agric. Res., 44: 235-246.
  4. El-Sheikh, E.S.A., S.G. Kamita, B.D. Hammock, 2016. Effects of juvenile hormone (JH) analog insecticides on larval development and JH esterase activity in two spodopterans. Pestic. Biochem. Physiol., 128: 30-36.
    CrossRef  |  Direct Link  |  
  5. El-Saleh, M.A., E.A. El-Sheikh, A.A. Aioub and W.M. Desuky, 2016. Biochemical changes in a field strain of Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae) after exposure to the field rates of neonicotinoid insecticides in artificial diet. Zagazig J. Agric. Res., 43: 225-234.
  6. Selem, G.S. and E.S.A. El-Sheikh, 2015. Toxicity and biochemical effects of Neem Azal T/S, willow (Salix aegyptiaca L.) and Chasteberry (Vitex agnus-castus L.) on house fly, Musca domestica L. (Diptra: Muscidae). J. Biopestic., 8: 37-44.
    Direct Link  |  
  7. Khalil, K.E., E.S.A. El-Sheikh, K.A. Gohar and R.M. Sherif, 2015. Toxicity of certain plant oils and malathion insecticide on the cowpea weevil, Callosobruchus maculatus F. Zagazig J. Agric. Res., 42: 1525-1537.
  8. Ibrahim, G.G., M.K. Amin, A.A. Hassan and E.S.A. El-Sheikh, 2015. Identification of pesticides degrading bacteria isolated from Egyptian soil. Zagazig J. Agric. Res., 42: 1129-1143.
  9. El-Sheikh, E.S.A., K.M. Mahrose and I.E. Ismail, 2015. Dietary exposure effect of sublethal doses of methomyl on growth performance and biochemical changes in rabbits and the protective role of vitamin E plus selenium. Egypt. J. Rabbit Sci., 25: 59-81.
  10. El-Sheikh, E.S.A., 2015. Efficacy of Spodoptera littoralis nucleopolyherdovirus on Spodoptera frugiperda (J.E. Smith) and Spodoptera exigua (Hubner): Virulence, biological effects and inhibition of juvenile hormone esterase. Egypt. J. Biol. Pest Control, 25: 587-595.
  11. El-Sheikh, E.S.A., 2015. Comparative toxicity and sublethal effects of emamectin benzoate, lufenuron and spinosad on Spodoptera littoralis Boisd. (Lepidoptera: Noctuidae). Crop Prot., 67: 228-234.
    CrossRef  |  Direct Link  |  
  12. El-Sheikh, E.S.A., 2015. Characterization and kinetics of juvenile hormone esterase from Spodoptera littoralis (Boisd.) and S. frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). Egypt. J. Biol. Pest Control, 25: 625-630.
    Direct Link  |  
  13. El-Sheikh, E.S.A. and A.A.A. Galal, 2015. Toxic effects of sub-chronic exposure of male albino rats to emamectin benzoate and possible ameliorative role of Foeniculum vulgare essential oil. Environ. Toxicol. Pharmacol., 39: 1177-1188.
    CrossRef  |  Direct Link  |  
  14. El-Sheikh, E.S.A., M.B.A. Ashour, M.M. Aamir and M.M. Gamal, 2014. Monitoring the effect of insecticide selection on Culex pipiens (Diptera: Culicidae) larval susceptibility to malathion and lambda-cyhalothrin. J. Entomol., 11: 14-24.
    CrossRef  |  Direct Link  |  
  15. El-Sheikh, E.S.A., 2014. Virulence and pathogenicity of recombinant nucleopolyhedroviruses expressing a scorpion toxin and an insect enzyme on Agrotis ipsilon (Lepidoptera: Noctuidae) larvae. Afr. Entomol., 22: 512-518.
    CrossRef  |  Direct Link  |  
  16. Breitenbach, J.E., E.S.A. El-Sheikh, R.L. Harrison, D.L. Rowley and M.E. Sparks et al., 2013. Determination and analysis of the genome sequence of Spodoptera littoralis multiple nucleopolyhedrovirus. Virus Res., 171: 194-208.
    CrossRef  |  PubMed  |  Direct Link  |  
  17. El-Sheikh, E.S.A. and M.D. Mamatha, 2012. The role of α- and β-hydrolase fold enzymes as biopesticides in pest management. J. Biopesticide., 5: 233-238.
    Direct Link  |  
  18. Mahmoud, M.G., E.S.A. El-Sheikh, M.M. Aamir and M.B.A. Ashour, 2011. Inducing toxic effects of sublethal doses of lambda-cyhalothrin on albino rats, Rattus norvegicus bork. Zagazig J. Agric. Res., 38: 775-792.
    Direct Link  |  
  19. El-Sheikh, E.S.A., S.G. Kamita, K. Vu and B.D. Hammock, 2011. Improved insecticidal efficacy of a recombinant baculovirus expressing mutated JH esterase from Manduca sexta. Biolog. Control, 58: 354-361.
    CrossRef  |  Direct Link  |  
  20. El-Sheikh, E.S.A., M.D. Mamatha, D.A. Ragheb and M.B.A. Ashour, 2011. Potential of juvenile hormone esterase as a bio-insecticide: an overview. Egyp. J. Biol. Pest Cont., 21: 103-110.
    Direct Link  |  
  21. El-Sheikh, E.S.A. and M.M. Aamir, 2011. Comparative effectiveness and field persistence of insect growth regulators on a field strain of the cotton leafworm, Spodoptera littoralis, Boisd (Lepidoptera: Noctuidae). Crop Prot., 30: 645-650.
    CrossRef  |  Direct Link  |  
  22. El-Sheikh, E.S.A. and M.B.A. Ashour, 2011. The Susceptibility of Spodoptera littoralis (Lepidoptera: Noctuidae) larvae to recombinant baculoviruses expressing an insect-toxin and a juvenile hormone metabolic enzyme. Int. J. Applied Agric. Res., 6: 17-28.
  23. El-Sheikh, E.A., 2011. Larval susceptibility of Culex pipiens L. Diptera: Culicidae, collected from different localities at sharkia governorate to some insecticides. Zagazig J. Agric. Res., 38: 759-774.
    Direct Link  |  
  24. El-Sheikh, E.S.A., 2009. A genetically modified nucleopolyhedrovirus: Effectiveness and in vivo expression in the black cutworm, Agrotis ipsilon (Huf.) (Lepidoptera: Noctuidae). Egypt. J. Biol. Pest Cont., 19: 143-149.
    Direct Link  |  
  25. Ashour, M.B., D.A. Ragheb, E.A. El-Sheikh, E.A. Gomaa, S.G. Kamita and B.D. Hammock, 2007. Biosafety of recombinant and wild type nucleopolyhedroviruses as bioinsecticides. Int. J. Environ. Res. Public Health, 4: 111-125.
    CrossRef  |  PubMed  |  Direct Link  |  
  26. Ashour, M.B., D.A. Ragheb, E.A. Gomaa, E.A. El-Sheikh, G. Kamita and B.D. Hammock, 2006. Comparative susceptibility of Spodoptera littoralis (Lepidoptera: Noctuidae) larvae to recombinant and wild nuclear polyhedrosis viruses. Zagazig J. Agric. Res., 33: 119-134.