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Table 1

Comparative measurements of Metagonimus romanicus (Ciurea, 1915) and M. ciureanus (Witenberg, 1929).

Species (revised identification) M. romanicus M. romanicus M. romanicus M. romanicus M. romanicus M. romanicus M. romanicus M. ciureanus M. ciureanus M. ciureanus
Species (original identification) Loossia romanica M. romanicus M. romanicus M. romanicus M. romanicus M. yokogawai M. yokogawai Dexiogonimus ciureanus D. ciureanus D. ciureanus
Host Canis familiaris Canis familiaris Canis familiaris Canis familiaris Mesocricetus auratus Felis catus Haliaeetus albicilla Felis catus Felis catus Vulpes corsac, Canis aureus, Felis chaus
Country Romania Romania Romania Georgia Hungary Slovakia Czechia Israel Israel Georgia
Collection No. N/A USNM 1327535 USNM 1341217 N/A IPCAS D–876/1 ESM Z–11235 IPCAS D–422/2 USNM 1339602 NHMUK 1983.1.11.2, 2000.4.10.103 N/A
Reference Ciurea (1915) This study This study Isaychikov (1925) This study This study This study Witenberg (1929) This study Rodonaya (1967)
Remark Original description Syntypes (n = 5) Vouchers (n = 2) Vouchers (n = not given) Experimental host (8 DPI; n = 8) Experimental host (17 DPI; n = 8) n = 3 Original description Syntypes (n = 8) Vouchers (n = not given)
Body length (mm) 0.60–1.56 1.01–1.24 0.98–1.18 1.38–1.86 0.36–0.62 0.86–1.11 0.69–0.82 0.70–1.30 0.71–1.08 1.06–1.36
Body width 400–540 396–440 404–461 530–795 160–242 266–423 241–283 300–700 276–455 340–540
Forebody length N/A 381–596 429–534 N/A 179–280 317–495 312–413 N/A 327–505 N/A
Forebody (% of total length) N/A 38–52% 43–45% 59% 42–57% 41–49% 45–51% N/A 44–50% N/A
Oral sucker length 81 60–84 64–80 74–106 40–62 59–78 58–62 N/A 52–80 60–82
Oral sucker width 110 78–86 78–83 95–117 45–64 67–81 65–71 50–90 64–82 N/A
Ventral sucker length 90–165 94–135 131–134 159–233 46–80 107–151 77–188 N/A 113–200 N/A
Ventral sucker width 96–114 74–97 88–90 72–127 33–58 65–89 57–124 N/A 62–104 N/A
O:V sucker width ratio N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Ventral sucker position N/A N/A N/A 519–689 N/A N/A N/A N/A N/A N/A
Prepharynx length 22–74 32–69 29–35 N/A 6–22 10–28 15–37 20–60 11–49 20–65
Pharynx length 50–63 51–61 48–49 53–74 31–47 33–51 43–47 30–50 36–60 N/A
Pharynx width 30–44 34–42 36–40 42–53 22–35 33–45 31–37 N/A 33–44 40–49
Oesophagus length 86–143 109–243 123–161 180–254 37–80 113–164 68–130 60–90 64–144 100–190
Dorsal gonotyl length N/A 27–32 28–32 N/A 17–21 22–37 19–31 N/A 37 N/A
Dorsal gonotyl width N/A 36–45 40–45 N/A 23–31 32–52 27–34 N/A 31 N/A
Ventral gonotyl length N/A 42–82 55–71 N/A 17–30 43–73 29–36 N/A 28 N/A
Ventral gonotyl width N/A 37–46 30–54 N/A 23–37 26–52 24–36 N/A 20 N/A
Position of testes N/A Diagonal Diagonal N/A Diagonal Diagonal Diagonal N/A Vertical N/A
Testis length (anterior) N/A 104–129 128–141 180–254 53–96 118–170 78–191 180 98–141 140–180
Testis width (anterior) N/A 79–106 105–106 127–244 48–63 101–146 60–170 90 68–116 N/A
Testis length (posterior) N/A 123–147 146–157 201–233 56–101 116–162 77–88 N/A 96–175 140–180
Testis width (posterior) N/A 83–110 111–126 159–276 48–74 103–145 55–64 N/A 73–97 N/A
Seminal vesicle length N/A 103–142 108–159 N/A 65–104 154–236 105–133 300 119–164 200–350
Seminal vesicle width N/A 73–92 52–66 N/A 43–63 69–110 58–71 N/A 47–79 N/A
Ovary length N/A 108–132 118–134 148–191 44–76 93–139 60–125 130 66–100 100–120
Ovary width N/A 68–104 86–97 117–201 38–55 80–101 52–125 70 55–100 N/A
Seminal receptacle length N/A 91–201 83–123 212–265 49–64 104–161 94–101 Larger than ovary 127–148 100–150
Seminal receptacle width N/A 61–105 63–111 212–244 39–52 70–113 65–66 N/A 59–109 N/A
Anterior extent of vitellarium N/A To ovary To ovary To ovary To ovary To ovary To ovary To ovary To ovary N/A
Posterior extent of vitellarium N/A To posterior testis To posterior testis To posterior testis To posterior testis To posterior testis To posterior testis To middle part of testes To middle part of testes N/A
Uterine region length N/A 503–612 554–611 N/A 157–321 412–605 323–344 N/A 314–543 N/A
Anterior extent of uterus N/A To ventral sucker To ventral sucker To ventral sucker To ventral sucker To ventral sucker To ventral sucker To ventral sucker To ventral sucker N/A
Posterior extent of uterus N/A To posterior testis To posterior testis To posterior testis To anterior/posterior testis To posterior testis To posterior testis To anterior part of testis To anterior part of testis N/A
Distance of uterus from anterior end N/A 377–552 374–504 N/A 170–248 313–456 261–375 N/A 279–452 N/A
Egg length N/A 23–26 23–26 23–27 23–27 23–26 23–27 25–28 25–28 25–26
Egg width N/A 13–15 13–16 14–16 13–16 14–17 14–16 15 14–17 13–16

N/A – data not available.

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