It is not likely that any intermediate host is necessary for the growth of the larv, prior to their access to the definitive host.
The mosquito is therefore the definitive host rather than the intermediate, as usually stated.
definitive host de·fin·i·tive host (dĭ-fĭn'ĭ-tĭv)
A host in which a parasite develops to an adult or sexually mature stage. Also called final host.
See under host.