Study of the Toxic Effect of Chemical Pesticide Actellic 50EC Against Culiseta Longiareolata Mosquito Larvae


  • Rabah Chaouch Laboratory of Marine Ecobiology and Coastal Environments, Department of Natural Sciences, Higher School for Professors of Technological Education, Skikda (ENSET), Brother Bouceta city Azzaba 21000.
  • Habiba Gacem Laboratory of Marine Ecobiology and Coastal Environments, Department of Natural Sciences, Higher School for Professors of Technological Education, Skikda (ENSET), Brother Bouceta city Azzaba 21000
  • Ali Bouaziz Laboratory of Terrestrial and Aquatic Ecosystems (LTAE), Faculty of Science, Department of Biology, Mohamed Cherif Messaadia University, Souk-Ahras 41000.
  • Boudjema Saoudi Laboratory of Organic Chemistry and Interdisciplinarity (LOCI), Faculty of Science and Technology, Mohamed Cherif Messaadia University, Souk Ahras, 41000 Souk Ahras



Organophosphate, pirimiphos-methyl, biochemical metabolite, Culicidian, L3 stage larvae, L4 stage larvae, lipids, carbohydrates, proteins, LC50, LC90, diseases, chemical stressors, morphological deformations.


In this study, the toxicity of an insecticide, Actellic 50EC, was tested against L3 and L4 instars of mosquito larvae Culiseta longiareolata (Macquart). The newly exuviated larvae were subjected to various concentrations (25, 40, and 75 μg/ l) for 24 hr and out until the adult stage. Probit analysis for L3 stage showed that following obdsevations continued to adult stage LC50=18.70 μg/ l and LC90= 60.81 μg/ l. On the other hand, L4 stage shows these were LC50= 36.42 μg/ l and the LC90= 102.45 μg/ l, respectively, indicating that it is more toxic to L3. This study reveals that lipids and carbohydrates have decreased, while there is an increase in proteins, which has been associated in some cases with morphological deformations.


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How to Cite

Chaouch, R., Gacem, H., Bouaziz, A., & Saoudi, B. (2024). Study of the Toxic Effect of Chemical Pesticide Actellic 50EC Against <i>Culiseta Longiareolata</i> Mosquito Larvae. Indian Journal of Entomology, 86(2), 356–361.



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