Genus Punctodera
Mulvey & Stone, 1976
Diagnosis
Heteroderinae. Mature female and cyst: Spherical,
pear-shaped or oval, with a short projecting neck, and heavy subcrystalline
layer. Cuticle reticulate, subcuticle with punctations.
D-layer present. Terminal region not cone-shaped; cyst
light to dark brown. Vulval slit extremely short (less than
5 um); anus at a short distance from vulval lip. Circumfenestrate, fenestra
surrounding vulva 16-40 um (about 20 um in type species) in diameter;
anus offset towards ventral margin of fenestra; an anal fenestra of
similar shape and size as vulval fenestra present. Underbridge
and perineal papillae-like tubercles absent. Bullae usually absent.
Eggs retained in body, no egg sac is formed. Male: Vermiform,
under 1.5 mm long. Orifice of dorsal oesophageal gland 2.6-4.6 um
behind stylet base. Spicules 31-33 um long, distally pointed.
Tail less than half anal body width long; cloacal lips not forming a tube.
Second-stage
juvenile: Body 0.35 - 0.49 mm, stylet 24 -26
um and tail
conical, 63 - 78 um long with a 38 - 41 um long hyaline terminal
portion in type species. Lateral field with three or four incisures.
Oesophageal glands fill body width. Phasmids punctiform, without
a lens-like structure. Feeding induces a syncytium.
(Description- Siddiqi, 2000)
Type species
Punctodera
punctata
syn.: Heterodera
punctata Thorne, 1928
Globodera punctata (Thonre, 1928) Skarbilovich, 1959
Other species
Punctodera chalcoensis Stone,
Sosa Moss & Mulvey, 1976
Punctodera matadorensis Mulvey &
Stone, 1976
