Haemaphysalis inermis

Also known as the Winter tick

Hosts

Cattle, horse, sheep, deer, dog, fox, hedgehog, humans

Distribution

France

Poland

Regions of the Mediterranean

Haemaphysalis inermis is generally found in forest areas including (France); Fontainbleau, Chateauroux, Royan, Bordeaux an vienne.

Pathogenesis

Most hosts: Tick Paralysis

 

H. inermis has also been associated with tick borne encephalitis.

Description

Adult female dorsal features

  • Palps long and narrow
  • Cornua absent
  • Trochanter I has a small posterior facing spur
  • Overall length of unfed female is 2.5-3.5mm
  • Engorged females can measure up to 8.0mm in length

Adult female dorsal view and adult female close up of gnathosoma. (Click on pictures for a close up)

Adult female ventral features

  •  Coxae I-IV: small external spur

Adult female ventral view and adult female close up of coxae/ventral gnathosoma. (Click on pictures for a close up)

Adult male dorsal features

  • Palps lack lateral projections
  • Lateral and cervical grooves absent
  • Trochanter I has posterior facing spur
  • Overall length of male is 2.4-3.0mm

Adult male dorsal view and adult male close up of gnathosoma. (Click on pictures for a close up)

Adult male ventral features

  • Coxae I-IV: small external spur
  • Large, rounded adanal shields present

Adult male ventral view and adult male close up of coxae/ventral gnathosoma. (Click on pictures for a close up)

 

 

 

 

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