DOI: 10.5281/zenodo.15142110
title: Table 2 in First record of Metapolystoma (Monogenea: Polystomatidae) from Boophis tree frogs in Madagascar, with the description of five new species

description: Table 2 Body measurements in micrometres for all Metapolystoma spp. values.
MeasurementsMetapolystoma vencesi n. Metapolystoma falcatum n.Metapolystoma ansuanum n. Metapolystoma theroni n.Metapolystoma multiova n.sp. sp.sp.sp.sp.Number of mature specimens6 1212Total length9190 78712680–395290864915–5537Greatest width3496 32721035–143632082257–2419Width at vagina2315 1783804–100120111469–2086Haptor length ‒ Body length0.16 0.190.23–0.250.180.18ratioHaptor length1437 1492669–9121634916Haptor width2344 26361166–138525721478Hamulus length X269‒332 (299 ± 32; 3) 393–407205392–408196‒248 (215 ± 29; 3)Hamulus length Y225‒302 (270 ± 40; 3) 303–314179252–257121‒174 (153 ± 23; 4)Hamulus hook length Z40‒52 (47) 66–706250–5558.2Oral disk391 297307–329486248–271Pharynx length302–420 327256–308401302–405Pharynx width291–390 290183–222385289–320Genital bulb diameter115 8664–736586Ovary length861 772265–338479446Ovary width194 19698–144385158Number of genital spines8 81076Genital spine length31.5–33.4 (32.5 ±0.6; 9) 24.3–31.6 (27.9 ± 1.78;24.5–28.5 (26.19 ± 1.16;28.9–34.9 (32.9 ± 4; 3)40.4–43.7 (42 ± 1.4; 5)18)5)Genital crown diameter31.8 25.729.4–32.824.2–27.6 (25.8 ± 1; 10)24.5Sucker diameter366‒452(424 ± 37; 12) 435‒498(468 ± 29; 6)241‒305(273 ± 25; 12)404‒424 (416 ± 8; 6)329‒356 (339 ± 10; 9)Maximum number of eggs in367 1141176499+uteroEgg length210‒230 (219 ± 7; 16) 161‒185 (171 ± 8; 11)196‒217 (205 ± 8; 8)239‒265(250 ± 7; 12)198‒228 (212 ± 9; 23)Egg width120‒147 (130 ± 8; 16) 108‒123 (117 ± 5; 11)119‒137 (127 ± 7; 8)136‒152(143 ± 5; 12)144‒165 (154 ± 7; 23)Marginal hooklet 1 length29.7–34.2 (32.5 ± 1.3; 32.6–39.7 (36.9 ±2.3; 13)34.3–39.4 (936.2 ± 1.4;28.6–38.7 (33.8 ±3.3; 11)13)21)Marginal hooklet 2–7 length20.8–25 (23.6 ± 1; 30) 21.8–27 (23.8 ± 1.52; 30)22.3–24.79 23.5 ± 1.17; 4) 22.6–27.2 (24.8 ± 1.1;21.3–26.9 (24.7 ± 2; 17)44)Marginal hooklet 8 length27.4–32.4 (30.5 ± 1.6; 28.8–33.5 (31.3 ±1.5; 14)30.5–34.1 (32.2 ± 1; 19)28.4–36.3 (32.4 ± 2.8; 5)12)Widest section from front57% 66%16–65%51%50%–57%Times longer than wide2.7 2.42.6–2.82.62.2–2.3MeasurementMetapolystoma porosissimae aMetapolystoma brygoonis bMetapolystoma cachani cNumber of mature specimens151010357Total length4150–6710 (5870 ± 0.6; 10)3400–4800 (4200)40003880–5628 (4594)3.680–7.250 (5.070)Greatest width1570–2360 (2040 ± 0.2; 11)1220–1500 (1340)15001120–2880 (1793)1.160–2.880 (1.980)Width at vagina1.120–1.700 (1.460 ± 0.2; 11)650‒1030 (800)880–1.760 (1.220)Haptor length ‒ Body length ratio 0.26–0.33 (0.29 ± 0.1; 10)0.22–0.23 (0.22)0.250.17–0.21 (0.19)0.15–0.32 (0.23)Haptor length1.540–1.800 (1.670 ± 01; 12)760‒1070 (900)1000720‒1072 (864)910–1.500 (1.15)Haptor width2.010–2.660 (2.360 ± 0.2; 12)1220–1760 (1530)15001248–2800 (1858)1.300–2.350 (1.730)Hamulus length X432‒472 (447 ± 14.3; 26)330‒420 (380)310280‒450 (348)330‒520 (430)Hamulus length Y332.4‒385.7 (361.2 ± 18.52; 13)Hamulus hook length Z72‒86.6 (78.3 ± 3.97; 15)Oral disk461‒566 (521)220‒340 (270)Pharynx length267‒348 (310 ± 31.8; 10)Pharynx width234‒298 (262 ± 20.4; 10)Genital bulb diameter93‒129.5 (105.7 ± 11.91; 7)8025Ovary length546‒755 (651 ± 89.1; 11)410‒460 (440)Ovary width26690‒160 (120)Number of genital spines9–1088Genital spine length31/ 21.83‒25.97 (24.144 ± 1.46; 6)30‒32 (31)Genital crown diameter25.18‒26.96 (26.35 ± 0.57; 7)Sucker diameter461‒566 (521 ± 30; 65)260‒420 (340)350–400272–580 × 288–544 (386 × 379) 300‒500 (420)Maximum number of eggs in utero 250100–14070–10048‒390 (170)Egg length201‒229 (214 ± 7.2; 30)160‒200 (180)190176‒208 (200)122‒159 (0.138)192‒207 (197 ± 5.1; 10)Egg width113‒134 (128 ± 6.6; 30)90‒120 (100)12096‒112 (101)100‒131 (115 ± 9.3; 10)Marginal hooklet 135Marginal hooklet 2–722Marginal hooklet 833Marginal hooklet 1–231 ‒ 34 (33)30Marginal hooklet 6–831
Values: (Min ‒ Max (Mean ±Ơ; N)), numbers in bold indicate additional measurements taken from species described prior to the present study.
a From Du Preez and Kok (1992a).
b From Euzet and Combes (1964).
c From Gallien (1956) (left), Kulo (1981) (middle) and Murith (1981) (right).
description: Published as part of Landman, Willem, Verneau, Olivier, Raharivololoniaina, Liliane & Preez, Louis du, 2021, First record of Metapolystoma (Monogenea: Polystomatidae) from Boophis tree frogs in Madagascar, with the description of five new species, pp. 164 in International Journal for Parasitology: Parasites and Wildlife 14 on page 164, DOI: 10.1016/j.ijppaw.2021.01.012, http://zenodo.org/record/10668146