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The Colorado potato beetle ( Leptinotarsa decemlineata) is also known as the Colorado beetle, the ten-striped spearman, the ten-lined potato beetle, or the potato bug. It is a major pest of potato crops. It is about 10 mm ( in) long, with a bright yellow/orange body and five bold brown stripes along the length of each of its elytra.
The beetle Native ranges of the Colorado beetle and the potato. The Colorado potato beetle, also known as the "ten striped spearman", is a common pest of potato crops. It is most likely native to the area between Colorado and northern Mexico, and was discovered in 1824 by Thomas Say in the Rocky Mountains. Since the mid-nineteenth century, it ...
The Colorado potato beetle has evolved resistance to 52 different compounds belonging to all major insecticide classes. Resistance levels vary across populations and between beetle life stages, but in some cases can be very high (up to 2,000-fold).
Beauveria bassiana is a fungus that grows naturally in soils throughout the world and acts as a parasite on various arthropod species, causing white muscardine disease; it thus belongs to the group of entomopathogenic fungi. It is used as a biological insecticide to control a number of pests, including termites, thrips, whiteflies, aphids and ...
The Colorado potato beetle was considered as an EW weapon by nations on both sides of WWII France. France is known to have pursued entomological warfare programs during World War II. Like Germany, the nation suggested that the Colorado potato beetle, aimed at the enemy's food sources, would be an asset during the war.
The original host plant of the Colorado potato beetle, Leptinotarsa decemlineata was the buffalo bur, Solanum rostratum, in Mexico. No association has been found between Lebia grandis and Leptinotarsa 'decemlineata on this host plant. In the 1850s, Leptinotarsa decemlineata began to feed on the potato plant and spread rapidly eastwards on ...
In 1995, Monsanto introduced the NewLeaf variety of potato which was their first genetically modified crop. It was designed to resist attack from the Colorado potato beetle due to the insertion of Bt toxin producing genes from the bacterium Bacillus thuringiensis. The insect-resistant potatoes found only a small market, and Monsanto ...
Modern pest control was stimulated by the spread across the United States of the Colorado potato beetle. After much discussion, arsenical compounds were used to control the beetle and the predicted poisoning of the human population did not occur. This led the way to a widespread acceptance of insecticides across the continent.
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