Protelean organisms are widely regarded as a special class of parasites, often referred to as . Protelean parasites refer to insects that begin the juvenile phase of their lives as and ultimately destroy or consume their host to emerge as free-living adults. Defining attributes of Protelean parasitoids include a parasitic nature that is confined to the larval stage, destruction of a single host, and an independent mature stage. Other distinguishing characteristics include a body size similar to its host and a comparatively simple life style. Parasitoids and their hosts are typically in the same taxonomic class.
There are however many other ranges of protelean organisms, such as early of certain species of mites that attack other Arthropoda.Welbourn, W. C. and O . P. Young . 1988 . Mites parasitic on spiders, with a description of a new species of Eutrombidium (Acari, Eutrombidiidae) . J . Arachnol ., 16 :373-385 Allothrombium pulvinium, more commonly referred to as the velvet mite, is an example of a protelean parasite that infects aphids in its larval stage. The larvae are ectoparasitic, while the deutonymphs and mature mites are independent, with the mature adults ultimately becoming predators of aphids.
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