Walid S. Helmy

Toxicity and biochemical impact of methoxyfenozide/spinetoram mixture on susceptible and methoxyfenozide-selected strains of Spodoptera littoralis (Lepidoptera: Noctuidae)

Fatma S. Ahmed, Yasser S. Helmy, Walid S. Helmy · Scientific Reports · 2022 · 21 citations · Full text

Chronic exposure to a field-realistic concentration of Closer® SC (24% sulfoxaflor) insecticide impacted the growth and foraging activity of honey bee colonies

Hatem Sharaf El-Din, Walid S. Helmy, Yahya Al Naggar et al. · Apidologie · 2022 · 12 citations · Full text

Engineering, Field-realistic Concentration, Environmental Health +10

Chronic in-hive exposure to a field-relevant concentration of Closer™ SC (24% sulfoxaflor) insecticide altered immunological and physiological markers of honey bee foragers (Apis mellifera)

Fatma S. Ahmed, Walid S. Helmy, Hatem Sharaf El-Din et al. · Apidologie · 2023 · 11 citations · Full text

Closer™ Sc, Allergy, Environmental Health +10

Target Enzymes of Origanum majorana and Rosmarinus officinalis Essential Oils in Black Cutworm (Agrotis ipsilon): In Vitro and In Silico Studies

Fatma S. Ahmed, Walid S. Helmy, Nawal Abdulaziz Alfuhaid et al. · Insects · 2024 · 11 citations · Full text