That story was very appealing as an example of "evolution in action", but a study in 2025 confirmed that our tunnel-dwelling skeeter is just a SUBspecies of C. pipiens, one that diverged from the main line 1000-2000 years ago in Egypt. It successfully produces hybrids with the ancestral line.

Ancient origin of an urban underground mosquitoUnderstanding how life is adapting to urban environments represents an important challenge in evolutionary biology. In this work, we investigate a widely cited example of urban adaptation, Culex pipie...www.science.org