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.
Liphyra brassolis
Liphyra brassolis, the moth butterfly, is a butterfly found in South Asia, Southeast Asia and Australia that belongs to the lycaenid family. The larvae are predatory and feed on ant larvae. This is one of the largest species of lycaenid butterflies. Several disjunct populations across its wide distribution range are considered as subspecies. Never a common butterfly, specimens of this species are highly prized by collectors.