Ladybird beetles, or coccinellids (Coleoptera: Coccinellidae), are significant arthropod predators in a variety of terrestrial ecosystems. Numerous classical biological control projects undertaken over the last 120 years in North America have involved importation of exotic ladybird beetle species for the control of invasive insect species in annual and perennial agricultural production systems.
Pavuk, Daniel M.; Sundermeier, Alan; Stelzer, Sadira; Wadsworth, Andrea M.; Keeler, Danielle M.; Bergolc, Melanie L.; and Hughes-Williams, Laura
"First Occurrence of Hippodamia Variegata (Goeze) (Coleoptera: Coccinellidae) in Ohio,"
The Great Lakes Entomologist, vol 40
Available at: https://scholar.valpo.edu/tgle/vol40/iss2/12