Otobius megnini

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Otobius megnini (click on image to enlarge it)
Author(s): Mat Pound, USDA Agricultural Research Service
Source: Wikimedia Commons

Otobius megnini (Dugès) - (spinose ear tick)

The tick feeds within the ear of large ungulates. It attacks livestock and occasionally also humans. As many as 100 ticks have been removed from the ears of a single cow. The infestations can cause irritations, allergies, eardrum perforation, paralysis and can contribute to the death of cattle and horses. It is also a vector of Q fever.

Vernacular names
• Deutsch: Ohrzecke
• English: spinose ear tick
• Français: tique de l'oreille

The tick has only one host during its development cycle. Only the nymphs feed and the non-feeding adults can be found in borrows.