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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) and III (B) |
Boophilus
|
| *
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 long |
Dermacentor |
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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 and |
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| *
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) at |
Hyalomma |
| *
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: |
Ixodes |
|
- articles II (A)and III (B) longer than width of basis |
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| -
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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