Israel’s Hebrew University is developing a natural mosquito repellent; it is also using genetics to make sterile male mosquitoes; Haifa University is working to synthesize fish microbiota for use as a mosquito repellent; meanwhile Israel’s Senecio (sterile males, see here previously) is partnering with Rentokil.
https://www.israel21c.org/new-weapons-in-the-anti-mosquito-arsenal/
https://academic.oup.com/pnasnexus/article/2/4/pgad069/7103447?login=false
https://www.youtube.com/watch?v=Fqp2i41qs-A
https://www.researchsquare.com/article/rs-3885219/v1