Assassin Bugs & Ambush Bugs of Kentucky - Photographic guide from the University of Kentucky Entomology to the assassin and ambush bugs commonly found in the state.
Reduviidae (Heteroptera: Cimicomorpha) - Includes photographs of, and a list of literature dedicated to, the assassin bug species found within the state of Illinois.
Florida Nature: Reduviidae (Assassin Bugs) - See images of Flordia Arilus cristatus (wheel bug) and Zelus longipes (assassin bug) as well as pictures of assassin bugs yet to be identified.
Literature-Based Key to Reduviidae (Heteroptera) of Florida (PDF) - Provides dichotomous keys to species of assassin bugs and thread-legged bugs listed as occurring in Florida. Includes illustrations highlighting the species' disguising characteristics.
BugGuide.Net: Assassin Bugs - Provides colour photos of, and classification information about, members of Family Reduviidae commonly know as assassin bugs.
Wheel Bug (Arilus cristatus) - Fact sheet for the wheel bug, a moderately common, widely distributed, beneficial assassin bug that preys on man's pest insects.