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.
Japanese giant hornet
The Japanese giant hornet ("Vespa mandarinia japonica") is a subspecies of the world's largest hornet, the Asian giant hornet ("V. mandarinia"). It is a large insect, with adults frequently growing to greater than long, with a wingspan greater than . It has a large yellow head with large eyes, and a dark brown thorax with an abdomen banded in brown and yellow. The Japanese giant hornet has three small, simple eyes on the top of the head between the two large compound eyes. As the name implies, it is endemic to the Japanese islands, where it prefers rural areas where it can find trees to nest in. In Japanese it is known as the .