Rhipicephalus Evertsi
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Rhipicephalus Evertsi
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Sanguineus
''Rhipicephalus sanguineus'', commonly called the brown dog tick, kennel tick, or pantropical dog tick, is a species of tick found worldwide, but more commonly in warmer climates. This species is unusual among ticks in that its entire lifecycle can be completed indoors. The brown dog tick is easily recognized by its reddish-brown color, elongated body shape, and hexagonal basis capituli (flat surface where mouthparts are attached). Adults are 2.28 to 3.18 mm in length and 1.11 to 1.68 mm in width. They do not have ornamentation on their backs. Development The tick follows the normal developmental stages of egg, larva, nymph, and adult. It is called a three-host tick because it feeds on a different host during each of the larval, nymphal, and adult stages. However, the hosts tend to be of one species. Larvae feed for 5–15 days, drop from the host, and develop into nymphs after 1–2 weeks. The nymphs then attach to either the previous host or a different host and feed ...
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Neurotoxin
Neurotoxins are toxins that are destructive to nerve tissue (causing neurotoxicity). Neurotoxins are an extensive class of exogenous chemical neurological insultsSpencer 2000 that can adversely affect function in both developing and mature nervous tissue.Olney 2002 The term can also be used to classify endogenous compounds, which, when abnormally contacted, can prove neurologically toxic. Though neurotoxins are often neurologically destructive, their ability to specifically target neural components is important in the study of nervous systems. Common examples of neurotoxins include lead, ethanol (drinking alcohol), glutamate,Choi 1987 nitric oxide, botulinum toxin (e.g. Botox), tetanus toxin,Simpson 1986 and tetrodotoxin. Some substances such as nitric oxide and glutamate are in fact essential for proper function of the body and only exert neurotoxic effects at excessive concentrations. Neurotoxins inhibit neuron control over ion concentrations across the cell membrane, or com ...
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Rhipicephalus Bursa
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Boueti
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Bergeoni
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Bequaerti
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Australis
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Arnoldi
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Armatus
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Aquatilis
''Rhipicephalus'' is a genus of ticks in the family Ixodidae, the hard ticks, consisting of about 74 or 75 species. Most are native to tropical Africa.Olwoch, J. M., et al. (2007)Climate change and the genus ''Rhipicephalus'' (Acari: Ixodidae) in Africa.''Onderstepoort J Vet Res'' 74(1), 45-72. Species are difficult to distinguish from one another because most are quite similar, while individuals of one particular species can be quite variable.Beati, L. and J. E. Keirans. (2001)Analysis of the systematic relationships among ticks of the genera ''Rhipicephalus'' and ''Boophilus'' (Acari: Ixodidae) based on mitochondrial 12S ribosomal DNA gene sequences and morphological characters.''The Journal of Parasitology'' 87(1), 32. Most of the characteristics used to identify species pertain to male and immature specimens, and "females are sometimes simply impossible to identify". Many ''Rhipicephalus'' spp. are of economic, medical, and veterinary importance because they are vectors of pa ...
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Rhipicephalus Appendiculatus
''Rhipicephalus appendiculatus'', the brown ear tick, is a hard tick found in Africa where it spreads the parasite ''Theileria parva'', the cause of East Coast fever East Coast fever, also known as theileriosis, is a disease of cattle which occurs in Africa and is caused by the protozoan parasite '' Theileria parva''. The primary vector which spreads ''T. parva'' between cattle is a tick, '' Rhipicephalus ap ... in cattle. The tick has a three-host life-cycle, spending around 10% of its life feeding on animals. The most common host species include buffalo, cattle, and large antelope, but ''R. appendiculatus'' is also found on other animals, such as hares, dogs, and warthogs. ''Rhipicephalus appendiculatus'' is found in the center, east and south-east of Africa, in areas with at least of rainfall each year. ''R. appendiculatus'' is long, and is a dark reddish-brown or brown color. References {{Taxonbar, from=Q10652631 Ixodidae Animals described in 1901 ...
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Nairobi Sheep Disease Orthonairovirus
The ''Nairobi sheep disease orthonairovirus'' (NSDV), also known as ''Ganjam virus'' is a species in the genus '' Orthonairovirus'' belonging to the Nairobi sheep disease serogroup. NSDV is enzootic, becoming epizootic when denser populations of susceptible animals are exposed to infection. NSDV's known hosts belong to the hard tick family Ixodidae, including '' Rhipicephalus appendiculatus'', and '' Amblyomma variegatum'', and afflict sheep Sheep or domestic sheep (''Ovis aries'') are domesticated, ruminant mammals typically kept as livestock. Although the term ''sheep'' can apply to other species in the genus '' Ovis'', in everyday usage it almost always refers to domesticated ... and goats naturally. The virus is in the family Nairoviridae and order Bunyavirales. Symptoms Symptoms of an animal infected with NSDV may include fever, reduction in white blood cells, rapid respiration, anorexia, profound depression, diarrhea, drop in body temperature, premature abortion, and ...
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