Regulation of the activity of JH-specific esterases in the Colorado potato beetle, Leptinotarsa decemlineata. "Diamphidia" in the Chrysomelidae family, the same family as the Colorado potato beetle. Adult beetles are morphological similar to the Colorado potato beetle, a pest of potato crops. It is known commonly as the striped blister beetle and the old-fashioned potato beetle. Of the two, only the Colorado potato beetle is a serious pest. Germany tested its Colorado potato beetle weaponisation program south of Frankfurt, releasing 54,000 beetles. The false potato beetle feeds on solanaceous weeds such as horsenettle, "Solanum carolinense". The Potato beetle has become resistant to more than 60 conventional insecticides. The best-known member is the notorious Colorado potato beetle ("Leptinotarsa decemlineata"), an important agricultural pest. For example, the Colorado potato beetle, "Leptinotarsa decemlineata", is a destructive pest of potato plants. The Colorado potato beetle, "Leptinotarsa decemlineata", attacks potatoes and other members of the Solanaceae.