Mosquito
Mosquitoes of the genus "Toxorhynchites" never drink blood. This genus includes the largest extant mosquitoes, the larvae of which prey on the larvae of other mosquitoes. These mosquito eaters have been used in the past as mosquito control agents, with varying success.
Coquillettidia perturbans
Coquillettidia perturbans is a species of mosquito that have been documented in Africa, Asia, Australia, Europe, North America, and South America. This mosquito is a known as a vector of West Nile virus and Eastern equine encephalomyelitis. The geographic range of "C. perturbans" is increasing due to the growing extensity of the feeding area and disease transmission of this species. They are known to exist throughout the United States, mainly with a southern distribution, and are mammalophilic.