In biology/ecology, parasitism is a non-mutual relationship between species, where one species, the parasite, benefits at the expense of the other, the host. Traditionally parasite (in biological usage) referred primarily to organisms visible to the naked eye, or macroparasites (such as helminths). Parasites can be microparasites, which are typically smaller, such as protozoa,[1][2]viruses, and bacteria.[3] Examples of parasites include the plants mistletoe and cuscuta, and animals such as hookworms.
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The beetle species Popillia japonica is commonly known as the Japanese beetle. It is about 15 millimetres (0.6 in) long and 10 millimetres (0.4 in) wide, with iridescent copper-colored elytra and green thorax and head. It is not very destructive in Japan, where it is controlled by natural predators, but in North America it is a serious pest of about 200 species of plants, including rose bushes, grapes,hops, canna, crape myrtles, birch trees, linden trees and others.
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Agrilus planipennis, commonly known as the emerald ash borer is a green jewel beetle native to eastern Asia that feeds on ash species. In its native range, it is typically found at low densities and is not considered a significant pest.
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A weevil is a type of beetle from the Curculionoidea superfamily. They are usually small, less than 6 millimetres, and herbivorous. There are over 60,000 species in several families, mostly in the family Curculionidae.
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Sample provided by Max Barclay of the Natural History Museum in London and described by Stylianos Chatzimanolis of the University of Tennessee.
Darwinilus sedarisi is a species of rove beetle, the only species in the genus Darwinilus. It is named after Charles Darwin and David Sedaris. It is found in Argentina. A specimen of the beetle was collected by Charles Darwin in 1832 during the voyage of the HMS Beagle, but not formally named as a new species until 2014
