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Table 4 Comparative morphometry of females of Varestrongylus alces and V. capreoli

From: Resurrection and redescription of Varestrongylus alces (Nematoda: Protostrongylidae), a lungworm of the Eurasian moose (Alces alces), with report on associated pathology

Characters V. alces a V. alces b V. capreoli c V.cf.capreolia
Total length 16.3–21.5 (18.3 ± 2.3) 11.1–11.5 9.41–15 17.93*
Maximum width 73–102 (86.0 ± 9.9) 75–95 38–95 48.9–52.2 (50.5 ± 2.31)
Esophagus § 270–310 (289 ± 14.71) 122–290 196–242.9 (225.0 ± 20.21)
Esophagus base width 30–42 (36.7 ± 4.32) 21.9–27.7 (23.8 ± 2.60)
Body width at esophagus base 57–67 (61.1 ± 4.56) 31–40.8 (35.3 ± 5.06)
Nerve-ring § 86–97 (91.6 ± 4.33) 72–90 55.4–65.2 (60.7 ± 4.49)
Cervical papillae § 150–180 (163.3 ± 15.28) 185.82*
Excretory pore § 159–220 (190.4 ± 29.11) 86–186 171.5–190.8 (183.4 ± 10.37)
Tail 34.2–50.5 (44.5 ± 4.65) 34–78 31–40.8 (37.2 ± 3.47)
Vulva-anus 70.1–104 (87.3 ± 10.1) 57.1–73.4 (64.3 ± 6.62)
Vulva-tail 107.6–146 (131.9 ± 12.77) 122 90–144 91–114.1 (101.6 ± 8.42)
Width at vulva 45.6–69 (56 ± 7.31) 32.2–35.9 (33.4 ± 1.42)
Vagina 702.2–961.42 (846.41 ± 94.94) 467*
Vagina Vera 63.3–71.7 (66.8 ± 2.70) 73.4–91.3 (77.4 ± 6.90)
Vagina Uterina 637–889.7 (779.2 ± 93.82) 391.2*
Sphincter 21.2–35.9 (31.8 ± 3.96) 24.45*
Eggs Length 55.2–66.5 (61.9 ± 3.51) 78 56–78 NA
Eggs Width 46.2–63.0 (55.6 ± 6.14) 37–45 NA
  1. aPresent study; bOriginal description [20]; cOriginal description [3], plus additional information compiled in [1].
  2. §Measurements from anterior end; Eggs collected from lungs of infected Eurasian moose, not inside female uteri; *Single measurements.
  3. Range of measurements are given followed by mean and standard deviation. Total length in millimeters (mm), and all other measurements are in micrometers (μm).