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Animal / parasite / ectoparasite / blood sucker
Ixodes uriae sucks the blood of Homo sapiens

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Ixodes uriae

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Ixodes uriae, also known as the seabird tick, is a species of parasitic tick known to infest marine birds.[1][2] It is native to many high latitude areas in the northern and southern hemispheres including Alaska, Canada, Faroe Islands, Iceland, Greenland, England, Scotland, Norway, Finland, the Kola Peninsula, Russia, Patagonia, South Africa and Australia.[3]

Life cycle

A study examined the life cycle of the tick in colonies of king penguin and macaroni penguin. It was found that on the king penguin, the cycle took three years and the period for engorgement was limited to 3.5–4.5 months each year even though penguins occupied the site throughout the year. The ticks nearly all overwintered in the unengorged state. In contrast, the cycle took two years in the macaroni penguin in consequence of the rather different timetable of occupation of the colony for breeding and moulting in this species.[4]

A study in an Adelie penguin colony found that the tick had alternate periods of feeding and off-host aggregation under rocks. The engorged ticks found an aggregation site with the help of a pheromone released by other ticks. Guanine, the major excretory product of ticks, encouraged assembly. Non-fed stages responded positively to guano and uric acid, excretory products of the penguins, suggesting that these act as a kairomone to help them locate their host. After feeding, the immature ticks’ response to both the assembly and kairomones ceased for a few days until after they had moulted.[5]

Vector

Ixodes uriae has been shown to be a vector of Borrelia garinii, a species of spirochaete that causes Lyme disease in humans. However, in order for the bacterium to infect man, another species of tick would have to be involved, Ixodes scapularis which is found on deer. Cross infection between seabirds and deer is uncommon because they do not share the same habitat so the risk to human health of infected Ixodes uriae is minimal.[6]

In 1975, the Nugget virus (Kemerovo or Great Island virus serogroup) and Taggert virus (Sakhalin serogroup) were isolated from Ixodes uriae from Macquarie Island.[7]

Seabird tick carved on pare on display at the New Zealand Arthropod Collection at Landcare Research, Auckland

In association with Macquarie Island penguins the tick was shown in 2009 to harbor five arboviruses: Gadgets Gully virus and Precarious Point virus, both previously described, and the previously unknown Sandy Bay virus (an orbivirus), Catch-me-cave virus (a phlebovirus), and Finch Creek virus (a nairovirus).[8]

References

  1. ^ "Ixodes uriae". Bristol University tick ID. University of Bristol. Retrieved 14 December 2016.
  2. ^ Björn Olsén; Thomas G. T. Jaenson; Laila Noppa; Jonas Bunikis; Sven Bergström (1993). "A Lyme borreliosis cycle in seabirds and Ixodes uriae ticks". Nature. 362 (6418): 340–342. Bibcode:1993Natur.362..340O. doi:10.1038/362340a0. PMID 8455718. S2CID 4275551.
  3. ^ María E. Casanueva; Hugo I. Moyano (2000). "Ixodes uriae White 1852 (Acari: Ixodidae) associated with the Papue Penguin, Pygoscelis papua (Forster), in the Antarctic Peninsula". Gayana. 64 (2). doi:10.4067/S0717-65382000000200012.
  4. ^ Y. Frenot; E. de Oliveira; M. Gauthier-Clerc; J. Deunff; A. Bellido; P. Vernon (2001). "Life cycle of the tick Ixodes uriae in penguin colonies: relationships with host breeding activity". International Journal for Parasitology. 31 (10): 1040–1047. doi:10.1016/S0020-7519(01)00232-6. PMID 11429167.
  5. ^ Joshua B. Benoit; Giancarlo Lopez-Martinez; Seth A. Philips; Michael A. Elnitsky; Jay A. Yoder; Richard E. Lee; David L. Denlinger (2008). "The seabird tick, Ixodes uriae, uses uric acid in penguin guano as a kairomone and guanine in tick feces as an assembly pheromone on the Antarctic Peninsula". Polar Biology. 31 (12): 1445–1451. doi:10.1007/s00300-008-0485-1. S2CID 39890008.
  6. ^ Robert P. Smith, Jr; Sabir Bin Muzaffar; Jennifer Lavers; Eleanor H. Lacombe; Bruce K. Cahill; Charles B. Lubelczyk; Allen Kinsler; Amy J. Mathers; Peter W. Rand (2006). "Borrelia garinii in seabird ticks (Ixodes uriae), Atlantic Coast, North America" (PDF). Emerging Infectious Diseases. 12 (12): 1909–1912. doi:10.3201/eid1212.060448. PMC 3291351. PMID 17326943. Archived from the original (PDF) on 2011-01-05. Retrieved 2011-03-31.
  7. ^ Doherty, R. L.; Carley, J. G.; Murray, M. D.; Main, A. J.; Kay, B. H.; Domrow, R. (1975). "Isolation of arboviruses (Kemerovo group, Sakhalin group) from Ixodes uriae collected at Macquarie Island, Southern ocean". American Journal of Tropical Medicine and Hygiene. 24 (3): 521–526. doi:10.4269/ajtmh.1975.24.521. PMID 50749.
  8. ^ Major, Lee; Linn, May La; Slade, Robert W.; Schroder, Wayne A.; Hyatt, Alex D.; Gardner, Joy; Cowley, Jeff; Suhrbier, Andreas; Baylis, Matthew (5 February 2009). "Ticks associated with Macquarie Island penguins carry arboviruses from four genera". PLOS ONE. 4 (2): e4375. Bibcode:2009PLoSO...4.4375M. doi:10.1371/journal.pone.0004375. PMC 2632750. PMID 19194498.
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Ixodes uriae: Brief Summary

provided by wikipedia EN

Ixodes uriae, also known as the seabird tick, is a species of parasitic tick known to infest marine birds. It is native to many high latitude areas in the northern and southern hemispheres including Alaska, Canada, Faroe Islands, Iceland, Greenland, England, Scotland, Norway, Finland, the Kola Peninsula, Russia, Patagonia, South Africa and Australia.

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