Biological control of Leptinotarsa decemlineata
In Massachussetts, USA, the influence of predators on the egg mortality of Leptinotarsa decemlineata (EPPO A2 list) was investigated.
Coleomegilla maculata (Coleoptera: Coccinellidae) was the most effective antagonist inducing an egg mortality of up to 58,1%.
Hazzard, R.V.; Ferro, D.N.; Van Driesche, R.G.; Tuttle, A.F. (1991) Mortality of eggs of Colorado potato beetle (Coleoptera: Chrysomelidae) from predation by Coleomegilla maculata (Coleoptera: Coccinellidae).
Environmental Entomology 20, 841-848.