Chemical Control Of The Colorado Potato Beetle

While most species north of Mexico are found in the southwestern United States, two species are found either in the eastern states or throughout most of the United States Arnett The more notable of these two is the Colorado potato beetle, Leptinotarsa decemlineata Saywhich is a serious pest of potatoes and other solanaceous plants. Figure 1.

Colorado potato beetles, Leptinotarsa decemlineata Sayfeeding on foliage. The Colorado potato beetle was first discovered by Thomas Nuttal in The insect's association with the potato plant, Solanum tuberosum L. The insect began its rapid spread eastward, reaching the Atlantic Coast by The evolution of the name Colorado potato beetle is curious because the beetle is believed to have originated in central Mexico, not Colorado.

It had a series of names from toincluding the ten-striped spearman, ten-lined potato beetle potato-bug, and new potato bug. Colorado was not associated with the insect until Walsh stated that two of his colleagues had seen large numbers of the insect https://modernalternativemama.com/wp-content/custom/research-paper/creative-writing-the-egypt-game.php the territory of Colorado feeding on buffalo-bur. This convinced him that it was native to Colorado. It was Riley who first used the combination Colorado potato beetle.

Plants And Insects Have A Long History Together

It was first reported in https://modernalternativemama.com/wp-content/custom/essay-samples/cause-and-impact-of-buddhism.php inbut it is not often a major pest. It also occurs in southern Canada and is a pest in Central America. The species has been introduced into Europe and parts of Asia Capinera The false potato beetle, Leptinotarsa juncta Germaris found primarily in the eastern United States from northern Florida to eastern Texas with only Sabine County reported as of Quinnnorth to Missouri, southern Illinois and Indiana, and east to Maryland, West Virginia, and Virginia.

Description Back to Top The genus Leptinotarsa is assigned to the tribe Doryphorini containing three genera in the United States, recognized by having the procoxal cavities open behind, Chemical Control Of The Colorado Potato Beetle simple claws separate at the base and usually divergent.

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Species of Leptinotarsa are recognized by the following features: maxillary palpi mouthparts with apical segment shorter than preceding, truncate; mesosternum not raised above the level of prosternum; profemur of male simple.

Two species of Leptinotarsa occur in Florida: Leptinotarsa decemlineata, the Colorado potato beetle, and Leptinotarsa juncta, the false potato beetle.

The latter incorrectly has been called the false Colorado potato beetle because of its similarity to Leptinotarsa decemlineata. They are robust and oval in shape when viewed from above. The head has a triangular black spot and the thorax has irregular dark markings Capinera In Leptinotarsa decemlineata, the pale yellow elytra are outlined in black, with each elytron having five vittae broad longitudinal stripes. Vitta 1 is shorter than other four and adjacent to the sutural margin.]