Pests eaten:
caterpillars, leafhoppers, other bugs, aphids

Some favorite plants:
caraway, fennel, goldenrod, dill, coriander, Queen Anne's lace, buckwheat, alfalfa, and parsley

Description:
Assassin bugs are long slender bugs with a narrow head and a long beak they use to feed on their prey. They can be black, gray, green, red or brown. The nymphs are only about 1/4 inch growing to 3/4 inch or larger as adults. Some species of assassin bugs also feed on mammals such as rodents or bats.

YouTube videos:
Assassin bug
The wheel bug (assassin bug) and the bees

Resources:
UC IPM Online
Kentucky critter files