Abstract: In the present study, pictorial keys are given for the identification of larvae, pupae and adults of chironomid species collected from El-Tall El-Keber wastewater treatment plant, Egypt. Two genera: Chironomus Meigen and Kiefferulus Goetghbuer and six species: C. calipterus Kieffer, C. formosipennis Kieffer, C. caffrarius Kieffer, C. imicola Kieffer, C. seydeli Goetghebuer and K. brevibucca (Kieffer) are recorded from this region for the first time. Outline drawings of the representatives of each genus were presented.