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. 2023 Mar 6;11:e14867. doi: 10.7717/peerj.14867

Table 3. Morphometrics (μm) of Oncholaimus adustus sp. nov.

Males Females
Holotype Paratypes Paratypes
Specimen M1 M2 M3 F1 F2 F3 F4
L 7,427 6,319 6,472 6,568 4,318 7,692 4,472
a 45 46 45 35 35 44 36
b 13 12 12 11 9 13 9
c 25 22 25 18 17 22 16
c′ 5.8 5.4 5.5 6.0 5.5 5.4 5.2
Head diam. at cephalic setae 50 47 44 52 40 45 40
Head diam. at amphids 61 56 54 65 52 59 54
Length of outer labial setae 10–11 10 9–10 11–12 9–10 8 8–9
Length of cephalic setae 12–15 13–14 12–13 13–15 10–11 12 10–11
Amphidial aperture height 5 6 5 6 5 5 5
Amphidial fovea height 16 17 16 17 15 17 15
Amphidial aperture width 23 20 23 23 19 24 19
Amphidial aperture width/cbd (%) 38 36 43 35 37 41 35
Amphidial aperture from anterior end 34 32 27 33 30 27 27
Nerve ring from anterior end 272 271 247 282 238 290 237
Nerve ring cbd 165 137 143 190 123 172 123
Pharynx length 572 529 522 611 465 605 480
Pharyngeal diam. at base 111 87 89 135 95 114 87
Pharynx cbd at base 152 123 134 178 117 161 118
Max. body diam. 165 137 143 190 124 172 125
Spicule length 75 73 65
Cloacal/anal body diam. 52 52 48 63 45 65 53
Tail length 299 282 263 375 247 351 278
V 4,889 2,917 5,505 3,152
%V 74 68 72 70
Vulval body diam. 155 124 153 112

Note:

a, body length/maximum body diameter; b, body length/pharynx length; c, body length/tail length; c′, tail length/anal or cloacal body diameter; cbd, corresponding body diameter; L, total body length; V, vulva distance from anterior end of body; %V, V/total body length × 100.