Does
the head have:
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Amblyomma
hebraeum

dorsal
view
A. Article II
B. Article III
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The
tick is of genus:
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a
long capitulum |
Amblyomma |
article
II (A) three |
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times
as long as III (B) |
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Boophilus
decoloratus

dorsal
view
A. Article II
B. Article III
C. Basis capituli
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compressed
articles II (A) |
Boophilus
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and
III (B) |
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a
hexagonal basis capituli
(C) |
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Dermacentor
reticulatus
dorsal
view
A.
Article II
B. Article III
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palpi
as wide or wider than |
Dermacentor |
long |
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rectangular basis capituli |
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Haemaphysalis
leachi
dorsal
view
A. Article II
C. Basis capituli
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short
capitulum, article
II (A) |
Haemaphysalis |
about
twice as wide as long |
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and
conical shape |
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rectangular basis capituli
(C) |
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Hyalomma
marginatum

dorsal
view
A. Article II
B. Article III
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elongated
palps article II (A) |
Hyalomma |
at
least twice as long as III (B) |
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Ixodes
ricinus
dorsal view
A.
Article II
B. Article III
C.
Basis capituli
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palp
long and broad: articles II |
Ixodes |
(A)
and III (B) longer than width |
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of
basis, set wide apart |
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Rhipicephalus
evertsi

dorsal
view
A. Article II
B. Article III
C. Basis capituli
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with
short broad palpi A & B |
Rhipicephalus
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hexagonal basis capituli
(C) |
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