Table 3 Comparative morphometry of females of all valid species within the genus Varestrongylus
Characters | V. eleguneniensis | V. alpenae a | V. alces b | V. capreoli c | V. capricola d | V. longispiculatus e | V. pneumonicus f | V. qinghaiensis g | V. sagittatus i | V. tuvae j |
|---|---|---|---|---|---|---|---|---|---|---|
Total length | 18.41–21.27 | 20 | 16.25–21.52 | 9.4–15 | nd | 44. 6–51.8 | 19.6–31 | 13–18 | 22–61 | >11 |
Maximum width | 108–195 | – | 73–102 | 38–95 | 140 | 90–120 | 100–190 | 64–119 | 170–300 | 204 |
Esophagus§ | 265–337 | – | 270–310 | 122–290 | 400 | 289–365 | 360–400 | 275–320 | 260–360 | – |
Esophagus base | 39–64 | – | 30–42 | – | 65 | 42–66 | – | 28.7–37 | 51 | – |
Body at esophagus | 75–107 | – | 57–67 | – | – | – | – | – | – | – |
Nerve-ring§ | 63–156 | – | 86–97 | 72–90 | – | 87–96 | 190–250 | – | 160 | – |
Cervical papillae | 189–217 | – | 150–180 | – | – | – | – | – | – | – |
Excretory pore§ | 154–237 | – | 159–220 | 180–186 | – | 198–228 | – | – | 240 | – |
Tail | 39–55 | 70–75 | 34–51 | 34–78 | 50 | 66–93 | 40–60 | 37–65 | 90–112 | 128–149 |
Vulva-anus | 99–166 | 150–160 | 70.1–104 |  | – | – | 40–60 | 64–92 | – | – |
Vulva-tail | 143–215 | 90 | 108 –146 | 90–144 | – | 150–188 | 80–120 | 101–157 | 180–225 | 255–362 |
Width at vulva | 57–90 | 100 | 46–69 | – | – | – | – | – | – | 162–200 |
Vagina | 377–711 | 550–600 | 702–961 | – | – | – | – | – | – | – |
Eggs length†| 60–78†| 60–90 | 55–67 | 56–78 | 65-75 | 54–63 | 57–80 | 86–91 | 78 | – |
Eggs width†| 57–74†| 25–35 | 46–63 | 37–45 | 30-40 | 27–30 | 30–43 | 12–34 | 48 | – |