Name of one of the States of the American Union, named after the great river [Sp. Rio Colorado colored river] which rises therein. Hence, Colorado beetle, a small American beetle (Doryphora decemlineata, Family Chrysomelidæ), of a yellow color, marked on the back with ten longitudinal black stripes, first observed (c. 1824) near the Upper Missouri. Its larva, the potato-bug, is exceedingly destructive to the potato.
1877. Act 40 & 41 Vict., c. 68 § 1. The Privy Council may make such orders as they think expedient to prevent the introduction into Great Britain of the Doryphora Decemlineata or Colorado Beetle.
1877. Lond. Gaz., 15 Aug. This order may be cited as the Colorado Beetle Order, 1877.