According to the dichotomous key below, how can you tell the difference between female deinocerites and culex mosquitoes

The the difference between the female deinocerites and culex can be seen in four major parts Eggs, larva, pupae and adult

Explanation: The egg of the culex is vertically laid in clusters on dirty water and it is cigar shaped while that of the deinocerite is laid singly horizontally on clean water boat shaped.

The larva of a culex is a bottom feeder while the deinocerite is a surface feeder

The pupae of a culex is colorless while the deinocerite is green

The adult culex has stouter wings and transmits filarial parasites while the deinocerite has delicate wings and transmits malarial parasite