E. Eissa Ebrahim, Radwan EH, Abdel Hakeem N, Abdel Aziz KK, Hashem HO, Radwan K.H., Impact if Chlorpyrifos on the Second Instar Mosquito Larvae as Bioindicator in El-Beheira Governorate, Egypt, International Journal Of Limnology, Volume 1, Issue 2, 2020, Pages 1-11, ISSN 2691-3208, https://doi.org/10.14302/issn.2691-3208.ijli-20-3268. (https://openaccesspub.orgijli/article/1299) Keywords: mosquito larvae- Chlorpyrifos- pollution-second instar.