Biology Reference
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Figure 2.53 Haemaphysalis
darjeeling. (A) Male, dorsal and
ventral side; (B) female, dorsal and
ventral side.
Source: Hoogstraal and Dhanda
(1970), Journal of Parasitology (vol
(56(1)), Allen press Publishing
Palpi are as in male, longer than in male, reaching almost to the level of palpal api-
ces; dental formula is 4/4, with eight (internal) to ten (external) denticles in a file.
Scutum: Scutum is approximately 1.35 times as broad as long. Cervical grooves
are shallow and faint. Cervical pits are narrow, linear, and sub-parallel. Punctations
are small, shallow, and obscure; widely distributed in external fields, rare or obso-
lete in median field. Genital operculum is broadly U-shaped with external margins
diverging anteriorly.
Legs: Legs are same as in males except coxa with spurs of II and I slightly
Related Species 69
H. darjeeling is most closely related to H. birmaniae. Both sexes of birmaniae lack
the projections of the posterodorsal and posteroventral margins of palpal segment
II, which characterize darjeeling. In the birmaniae male, the absence of a pincer-
like form of palpal segment III, 4/4 dental formula, presence of punctations in the
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