As opposed to the paraphyletic chewing lice, which are now divided among three suborders, the sucking lice are monophyletic the anoplura are all bloodfeeding ectoparasites of mammals. In this lesson, learn more about the characteristics of sucking lice and the species that can live on human hosts. Louse characteristics, life cycle and control measures howmed. The body lice is most dangerous cause it causes medical implications due to them being the only lice vectors for endemic typhus, tickborne relapsing fever, and trench fever. The sucking lice are wingless, flatbodied insects that look much like the chewing lice. Anoplura comes from the words anoplos, which means unarmed, and oura, which means tail. Both ferris 19512 and hopkins 1949 have suggested that mammalian hosts of the anoplura should be listed only to species, also consultant, department of medical zoology, u. Anoplura sucking lice piercingsucking, stylet sac absent blattaria cockroaches chewing variable coleoptera beetles chewing 2 pair 1st pair elytra collembola springtails chewing apterous dermaptera earwigs chewing 2 pair, front pair elytra, second membranous diplura diplurans chewing lacking diptera flies piercingsucking, or sponging 1. Naval medical re search unit number three, cairo, egypt. Of the approximately 500 species of sucking lice, about 23 are parasites of rodents. Sucking lice have around 500 species and represent the smaller of the two traditional suborders of lice. Order phthiraptera anoplura sucking lice characteristics. Introductionlice feed on solely on blood and are ectoparasites of humans. Phthiraptera lice, mallophaga, anoplura discover life.
The anoplura are all bloodfeeding ectoparasites of mammals. Pediculosis orden anoplura salud publica bienestar. Anoplura divisin del grupo phthiraptera segn knigsmann. Comprenden este orden especies conocidas comunmente como grillos, saltamontes, langostas y alacranes cebolleros grillotopos. They attack humans and animals and their bites are often very irritating. Louse occur in all parts of the world especially colder climate regions are more affected. They only occur on about 20% of all placentalian mammal species. Order anoplura definition of order anoplura by the free. Anoplura medical definition merriamwebster medical dictionary. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Stay connected to your students with prezi video, now in microsoft teams. The order is divided into four suborders ischnocera, amblycera, rhynchophthirina, and anoplura distinguishable from one another by the size of the head, the shape of the third antennal segment, and the presence or absence of maxillary palps. They feed exclusively on blood and heavy infestations can cause severe debilitation, anemia, and weakness of the host price and graham 1997. They develop with gradual metamorphosis, the life stages being the egg. Discover lifes page about the biology, natural history, ecology, identification and distribution of phthiraptera lice, mallophaga, anoplura discover life. Acaros caracteristicas y clasificacion del orden acari. Louse characteristics, life cycle and control measures. Sucking lice anoplura, formerly known as siphunculata have around 500 species and represent the smaller of the two traditional suborders of lice. As opposed to the paraphyletic chewing lice, which are now divided among three suborders, the sucking lice are monophyletic. Es bastante homogenea, aunque pueden distinguirse dos grandes tipos. Victor bejar bravo alumno xavier emerson bayona figueroa 101471 2. Insect order anoplura sucking lice sucking lice are irritating little pests that feed on the blood of their host. They are highly host specific, so if an animal louse transfers to a human it will be unable to establish an infestation. Lice feed on solely on blood and are ectoparasites of humans.
The head, however, is narrower than the thorax, and the mouthparts are fitted for piercing the skin and sucking blood. Lice are parasitic insects which spend their entire life cycle on the host, never voluntarily leaving it except to transfer to a new host. These host specific, bloodsucking insects are morphologically adapted for life on mammals. Anoplura is a suborder of insects that includes many species of sucking lice. Divisin del grupo phthiraptera segn autores como clay y haub. The sucking lice, anoplura, are parasites of mammals. Based on your answers to the questions, you have identified your insect as being in the order phthiraptera, suborder anoplura. Anoplura associated with mexican wild mammals, including geographical records and a hostparasite list. Order psocodea is comprised from paraphyletic order psocoptera book lice. Anoplura medical definition merriamwebster medical. Each species usually attacks one or a few related species of hosts, and generally lives on a particular part of the hosts body. The sucking lice siphunculata there is considerable argument to suggest that the sucking lice siphunculata and the biting lice mallophaga are part of a single order the anoplura and you may find that what i have treated as two separate orders here, are classified as two suborders under the common title of anoplura elsewhere.
Evolutionary history of mammalian sucking lice phthiraptera. Anoplura are obligate, permanent ectoparasites of eutherian mammals, parasitizing members of 12 of the 29 recognized mammalian orders and approximately 20% of all mammalian species. Anoplura are the sucking or true lice that are ectoparasitic on mammals primates, ungulates, canines and rodents. Lethal effects of treatment with a special dimeticone formula on head. Ent 425 general entomology resource library compendium.
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