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Table 2 Metrical ranges for Microcotyle erythrini (sensu stricto), M. isyebi and M. whittingtoni n. sp. described in this study based on collections from off Guardamar del Segura, Spain, Western Mediterranean

From: Considerations on the taxonomy and morphology of Microcotyle spp.: redescription of M. erythrini van Beneden & Hesse, 1863 (sensu stricto) (Monogenea: Microcotylidae) and the description of a new species from Dentex dentex (L.) (Teleostei: Sparidae)

Parasite speciesM. erythrini (s.s.)M. isyebiM. whittingtoni n. sp.
Host speciesP. erythrinusPa. pagrusB. boopsD. dentex
Sample size(n = 23)(n = 20)(n = 22)(n = 21)
Body length1998–62152042–61832355–64012719–4569
Body length without haptor1376–37601520–53071757–49701916–3591
Maximum body width194–647189–610322–966314–605
Body width at level of buccal suckers95–17968–15395–185110–173
Body width at level of genital atrium102–251109–270157–322159–260
Body width at level of testes156–574150–357237–790225–468
Length of anterior tapered region359–749132–687288–922457–730
Width of anterior tapered region135–378124–242180–388147–354
Haptor length1126–1840761–1590702–1436862–1264
Anterior haptoral lobe length353–735307–690164–339187–370
Posterior haptoral lobe length758–1,163608–991474–1,226632–1,038
Peduncle length339–615263–574178–651199–476
Width of peduncle at connection with haptor120–24672–22792–414100–369
Minimum peduncle width120–27667–22791–41481–368
No. of clamps90–12490–12480–11060–78
Clamp length20–5022–4221–4022–47
Clamp width55–8640–6446–6852–75
Sclerite ‘c’ width2–42–31–33–6
Buccal sucker length47–8038–7850–8257–90
Buccal sucker width34–5919–5033–6339–59
Pharynx length29–4720–4229–5527–41
Pharynx width23–4118–3423–5425–43
Oesophagus length159–307217–343150–360209–367
Testes to anterior extremity distance982–22231055–40181215–32881305–2342
No. of testes12–2014–2219–2616–27
No. of testis rows1–21–22–31–3
Testes length32–11538–8232–16239–112
Testes width51–11642–7552–13236–88
Testicular area length298–1007364–125088–30168–717
Testicular area width41–19356–155408–1558393–1023
Genital atrium to anterior extremity distance108–277206–424128–355183–300
Genital atrium length71–15171–16573–177105–184
Genital atrium width88–16854–201109–255115–173
No. of spines in the main chamber of the genital atrium216–408275–363253–356272–391
Length of spines in the main chamber of the genital atrium4–64–64–74–7
No. of spines in the “pockets” of the genital atrium20–3321–4119–4934–47
Length of spines in the “pockets” of the genital atrium6–86–97–117–13
Copulatory organ length43–10047–7052–8646–107
Copulatory organ width54–10033–10054–11837–93
Germarium to anterior extremity distance1093–21491381–24601141–32401240–2240
Vagina to anterior extremity distance321–550380–585328–425380–550
Germarium length566–1428890–1428896–1792730–1199
Germarium maximum width37–12783–9647–13438–86
Seminal receptacle length144–171140–185289–316182–208
Seminal receptacle width89–10580–9996–11270–87
Vitellarium to anterior extremity distance204–560319–613244–578320–566
Length of vitellarium within peduncle120–450138–58918–53094–621
Length of vitellarium within haptor10–11119–420–017–404
Distance between vitellarium posterior0–1490–1520–462129–498
Left efferent vitelline duct length87–287124–444127–858216–467
Right efferent vitelline duct length114–328153–377150–584202–442
Different vitelline duct length143–400224–367205–456121–300
Egg length (without filaments)166–223145–201189–230184–264
Egg width (without filaments)57–9157–9051–8866–84
Abopercular filament length95–15198–147110–20840–111