Table 3. Morphometrics of Pselionema huakita sp. nov. Abbreviations: see Material and methods.
males females
holotype paratypes paratypes
n 1 3 2
L 1271 900–1213 1058, 1259
a 67 50–64 57, 59
b 7 5–7 6, 7
c 7 6–7 5, 7
c’ 9.7 9.0–10.2 11.3, 15.1
cephalic capsule width × length 18 × 41 17–18 × 38–43 17, 22 × 40
cephalic ratio 2.3 2.1–2.4 1.8, 2.4
number of pharyngeal annules 19 18 16, 19
number of mid-body annules 114 93–116 83, 118
number of tail annules 26 24–30 24
total number of annules 159 141–160 123, 161
body diam. at cephalic setae 14 14–15 13, 17
body diam. at amphids 18 16–18 17, 22
length of cephalic setae 12–13 10–13 10–15
length of outer labial setae 18 17–18 16, 17
amphid height 5 5–6 4, 5
amphid width 28 31–33 23, 24
amphid width / cbd (%) 17 15–19 16, 17
amphid from anterior end 112 120–124 142
nerve ring from anterior end 18 18–19 17
nerve ring cbd 160 143–157 146, 153
excretory pore from anterior end 191 172–185 176, 182
pharynx length 8 8–9 8, 10
pharyngeal bulb diam. 19 17–19 18, 22
pharynx cbd 19 18–19 18, 22
max. body diam. 34 29–33 –
spicule length 15 12–16 –
gubernaculum length 18 16–17 13, 16
cloacal / anal body diam. 174 153–174 181, 196
tail length – – 468, 584
V – – 44, 46
%V – – 18, 22