Biology Reference
In-Depth Information
Figure 2.36
(A
C) Capitulum of male, female, and nymph, respectively; (D
F) spiracular
plates of male, female, and nymph, respectively.
Source: NIV. unpublished drawings.
Scutum: Scutum length is 0.96 mm; width is 0.87 mm. Cervical grooves are
deep, extending to base to one-third of the length of scutum. Festoons are distinct,
about as wide as long, and intervals between them dark. Genital aperture is at the
level of coxa III.
Legs: Coxa I and IV are with broad ridge-like spurs, that of coxa I is more
prominent. Coxa II and III are with broad ridge-like projections.
Nymph (
Figures 2.35 and 2.36
)
112
Length of partially fed specimen is approximately 1.6 mm.
Capitulum: Dorsal basis capitulum is rectangular. Cornua are present but weak.
Posterior margin of ventral basis is semicircular in outline. Palps are about as broad
as long. Teeth are 3/3, about eight per file.
Scutum: Cervical grooves are concave and deep anteriorly.
Legs: Coxa are with short, broad, and ridge-like projections; that of coxa I is
most prominent.
Larva:
112
Capitulum: Dorsal basis is without cornua, about twice as wide as long, poste-
rior margin is straight. Palps are short with slightly rounded lateral contour.
Scutum: Scutum is as in nymph.
