PAKISTAN
VETERINARY
JOURNAL
     
 
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Efficacy and Comparative Toxicity of Phytochemical Compounds Extracted from Aromatic Perennial Trees and Herbs against Vector Borne Culex pipiens (Diptera: Culicidae) and Hyalomma dromedarii (Acari: Ixodidae) as Green Insecticides
 
Mohamed M Baz1*, Alanoud T Alfagham2, Laila A Al-Shuraym3 and Ahlam Farag Moharam4
 

1Department of Entomology, Faculty of Science, Benha University, Benha 13518, Egypt; 2Botany and Microbiology Department, college of Science, King Saud University, Riyadh, Saudi Arabia; 3Biology Department, Faculty of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia; 4Department of parasitology, Faculty of medicine, Benha University, Benha 13518, Egypt
*Corresponding author: Mohamed.albaz@fsc.bu.edu.eg

Abstract   

The control of vector-borne diseases with pesticides is becoming a real challenge due to rapid development of insecticide resistance. The study aimed to find out the efficacy of phytochemical compounds found in perennial aromatic trees (Araucaria (A.) heterophylla, Eucalyptus (E.) camaldulensis, and Pinus (P.) halepensis) or herbs (Cyperus (C.) rotundus, Mentha (M.) arvensis, and Rosmarinus (R.) officinalis) as natural insecticides against Culex (Cx.) pipiens and Hyalomma (H.) dromedarii. Methanol and hexane plant leaves and resin oils were extracted by Soxhlet extraction methods, separately. These compounds are specialized metabolites that are synthesized in environments with high or low pressure, depending on growing conditions and plant type. Data showed that the aromatic perennial tree, A. heterophylla (100%MO, LC50 = 90.47 ppm), and the herb R. officinalis (100%MO, LC50 = 110.56 ppm), are having activity against Cx. pipiens, while we found that Aleppo pine, P. halepensis (100%MO, LC50 = 1.95 mg/mL), and the herb M. arvensis (100%MO, LC50 = 2.25 mg/mL) were among the best essential oils against ticks, H. dromedarii, 24 hours post-treatment. The results confirmed that the diversity of phytochemicals found in aromatic perennial trees and herbs, such as sesquiterpene (á-ylangene, 23.26%), monoterpene (Eucalyptol, 22.15%), fatty acid (Linoleic acid, 19.54%), sesquiterpene (α-cyperone, 21.12%), phenol (Menthyl acetate, 15.14%), flavonoids (Bornyl acetate, 8.18%), and other active biological phytochemical compounds. The current findings indicated that aromatic pine trees essential oils, methanol extract in general, and hexane extract were the best at controlling pests and distinctive in containing phytochemicals.

To Cite This Article: Baz MM, Alfagham AT, Al-Shuraym LA and Moharam AF, 2024. Efficacy and comparative toxicity of phytochemical compounds extracted from aromatic perennial trees and herbs against vector borne Culex pipiens (Diptera: Culicidae) and Hyalomma dromedarii (Acari: Ixodidae) as green insecticides. Pak Vet J, 44(1): 55-62. http://dx.doi.org/10.29261/pakvetj/2024.144

 
   
 

ISSN 0253-8318 (Print)
ISSN 2074-7764 (Online)



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