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273:, they can also be found in other climate areas due to widespread interstate transportation of animals. Larvae and nymphs usually remain within the ears of their host. Fully grown nymphs and adults live off the host, but still within the host's general environment. They usually prefer dry, protected places such as in cracks and crevices or under logs and fence posts.
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and become nymphs, still remaining within the host's ear. The nymphs feed for about a month, after which they crawl out of the ear onto the ground to molt again and become adults. The nymphal stages can remain in the ear for 1–7 months, and adults can produce eggs for up to 6 months. Spinose ear
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has a single-host lifecycle in which the larvae and nymphs remain deep within the external ear canal of their definitive host for long periods of time. The eggs are laid on or near the ground and hatch in 18 days or more. The larvae then crawl up vegetation, fence posts, or the like to wait for a
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of the inner ear, high sensitivity of the ears, large amounts of blood loss, and even deafness. Heavily infested animals often shake and rub their heads, which can cause their outer ears to become
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host. They are capable of surviving without a host for more than 2 months. Once the larvae find a host, they migrate to the ears and feed for 5–10 days. They then
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Mastropaolo, M.; Nava, S.; Guglielmone, A. A.; Mangold, A. J. (2011). "Developmental changes in salivary glands of nymphs and adults of the spinose ear tick
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Spinose ear ticks are a constant source of annoyance and irritation for their definitive hosts. Their tendency to occur in large numbers can cause
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view. The nymph is somewhat violin shaped with tiny, backward-projecting spines covering the body, which are the reason for the description
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in the common name. The adult may achieve 10 mm (0.4 in) in length, is brown, and has a slightly granular body
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and raw. Several cases of human infestation have been reported, and the tick has been incriminated in some instances of
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stages. As its common name suggests, the spinose ear tick's parasitic forms are usually found within the ears of the
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202:. This tick has a worldwide distribution, with common hosts that include horses, cattle, sheep, goats, and dogs.
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tick adults do not feed; they absorb water from the atmosphere to survive.
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A Handbook of
Veterinary Parasitology: Domestic Animals of North America
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249:. The male and female closely resemble each other; neither possesses a
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Although spinose ear ticks are generally associated with
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324:(2nd ed.). St. Louis, MO: Mosby. pp. 223–224.
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233:As with many soft ticks, the mouthparts of
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269:environments such as those found in the
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322:Diagnostic Veterinary Parasitology
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190:that is only parasitic in the
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362:Griffiths, Henry J. (1978).
320:Hendrix, Charles M. (1998).
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689:Arachnids of North America
271:Southwestern United States
684:Animals described in 1884
237:are not visible from the
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41:Scientific classification
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411:Journal of Parasitology
182:, also known as the
186:, is a soft-bodied
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651:Open Tree of Life
466:Taxon identifiers
424:10.1645/GE-2616.1
381:978-0-8166-0834-8
331:978-0-8151-8544-4
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160:Otobius megnini
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25:Otobius megnini
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625:NatureServe
586:iNaturalist
433:11336/96491
88:Chelicerata
84:Subphylum:
673:Categories
294:References
282:O. megnini
235:O. megnini
216:excoriated
212:ulceration
206:Importance
78:Arthropoda
694:Argasidae
489:Q10613341
277:Lifecycle
136:Species:
118:Argasidae
98:Arachnida
64:Kingdom:
58:Eukaryota
630:2.974187
604:10658947
510:BioLib:
483:Wikidata
450:19790289
442:21506856
263:semiarid
220:pathogen
114:Family:
74:Phylum:
68:Animalia
54:Domain:
617:1116707
578:2184404
513:1075267
372:161–162
257:Habitat
247:cuticle
243:spinose
229:Anatomy
196:nymphal
170:, 1884)
129:Otobius
124:Genus:
108:Ixodida
104:Order:
94:Class:
656:617195
591:263531
565:ORNIME
552:515040
526:708231
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251:scutum
239:dorsal
192:larval
679:Ticks
643:34606
599:IRMNG
539:4B77P
446:S2CID
168:Dugès
638:NCBI
612:ITIS
573:GBIF
560:EPPO
521:BOLD
438:PMID
376:ISBN
326:ISBN
287:molt
267:arid
194:and
188:tick
547:EoL
534:CoL
498:AFD
428:hdl
420:doi
408:".
265:or
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
