Biology Reference
In-Depth Information
Figure 2.32
Haemaphysalis howletti. (A) Male, dorsal and ventral side; (B) female, dorsal
and ventral side; (C) nymph, dorsal and ventral side; (D) larva, dorsal and ventral side.
Source: Dhanda (1964), Journal of Parasitology (vol 50(2)), Allen press Publishing Services.
Palpi are longer than in male, length (including scapulae) slightly greater than
width.
Scutum: Punctations are numerous, large, sub-equal, distributed all over scutum.
Cervical grooves are distinct, deep and narrow anteriorly, shallow and wide posteri-
orly, extending more than half the length of scutum. Dorsal integumental area is
with distinct marginal grooves, extending to scutum anteriorly, enclosing one fes-
toon on each side posteriorly. Festoons number 11. Genital operculum is longer
than wide, rounded posteriorly, and situated at the level of interval between coxa II
and III.
Legs: Legs are similar to male, except that coxal spurs II and III are more
rounded and tarsi narrower.
Nymph (
Figures 2.32 and 2.33
)
24
Length is 1.09 mm, width 0.65 mm.
Capitulum: Basis capitulum is dorsally more than twice as wide as long; cornua
are well developed, pointed, and each approximately as long as its base.
