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Table 3 Comparative morphology of Ixodes pilosus group sp. I and sp. II. Asterisk (*) marks those characters based on which they are different

From: Molecular-phylogenetic analyses of Ixodes species from South Africa suggest an African origin of bird-associated exophilic ticks (subgenus Trichotoixodes)

Character

Ixodes pilosus group sp. I

Ixodes pilosus group sp. II

Alloscutal setae (*)

In four stripes

High density posteriorly, forming tufts

Setae (*)

Thick

Thin

Scutal shape (*)

Broader than long

Longer than broad

Scutal length/width ratio (*)

0.93

1.05

Lateral carinae (*)

Short

Long

Scutal surface

Without hair, punctuation small-sized, dense

Without hair, punctuation small-sized, dense

Lateral scutal margin (*)

Curved

Relatively straight, parallel

Posterolateral scutal margin (*)

Slightly sinuous

Moderately sinuous

Maximum palpal hair length on segment II

Exceeding palpal diameter

Exceeding palpal diameter

Auriculae (*)

Large, laterally rounded

Large, laterally flattened

Internal spur on coxae I

Small, distinct

Small, distinct

External spur on coxae I

Small, distinct

Small, distinct