How many developmental molts do mosquito larvae undergo?

Mosquito larvae undergo a series of developmental stages known as instars. Generally, they go through four instars before pupating. Each instar is separated by a molt, during which the larvae shed their exoskeleton to allow for growth. The number of molts corresponds directly to the number of instars; thus, a typical mosquito larvae will experience three molts leading to the four instar stages. Therefore, the correct answer indicates that they undergo at least four developmental molts, aligning with the biological development of mosquito larvae.