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Table 1 Morphometric characteristics of cercariae and metacercariae of  Renylaima capensis 

From: Life cycle of Renylaima capensis, a brachylaimid trematode of shrews and slugs in South Africa: two-host and three-host transmission modalities suggested by epizootiology and DNA sequencing

Larval stage Cercariae Metacercariae
Intermediate slug host species Ariostralis nebulosa Ariopelta capensis
No. larvae studied n = 10 n = 10
  E.V. X SD E.V. X SD
Length 330.0-436.6 392.9 40.4 528.5-694.4 604.6 52.1
Maximum width 114.9-166.3 142.0 18.6 139.0-206.8 176.7 20.0
Oral sucker (OS) 68.9-85.9/62.9-80.4 76.5/67.5 6.4/5.7 82.6-108.4/76.9-103.4 92.4/87.7 9.3/8.0
Ventral sucker (VS) 80.4-94.9/68.9-85.9 86.5/78.1 6.3/5.2 96.9-131.3/91.2-119.9 115.7/106.5 13.0/12.6
Sucker ratio (OS/VS) 0.62-0.85 0.73 0.07 0.57-0.83 0.68 0.08
Prepharynx (length) 0.0-12.2 5.4 5.5 0.0-37.0 16.3 11.4
Pharynx (length/width) 34.4-39.9/26.4-34.4 36.6/32.3 2.7/3.2 39.9-57.4/31.3-45.9 45.0/38.6 5.4/4.3
Anterior testis (T1) 22.0-28.6/34.0-34.8 33.5/26.8 2.1/5.6 25.6-57.0/18.0-37.0 40.3/29.6 10.7/6.5
Posterior testis (T2) 22.9-34.4/20.0-28.6 28.9/23.9 4.6/3.0 34.2-48.4/22.8-37.0 39.5/30.0 5.0/4.9
Ovary 22.0-28.6/17.0-22.9 25.2/20.4 2.9/2.7 25.6-31.3/19.9-25.6 28.9/23.2 2.1/2.1
Distance OS-VS 85.9-137.8 112.3 21.2 126.3-245.1 177.1 35.0
Distance VS-T1 17.5-40.0 28.6 8.0 37.0-71.2 53.8 13.3
Tail (length/width) 22.9-35.4/25.9-28.4 30.9/26.9 6.9/1.3 28.5-37.0/27.1-37.0 33.1/30.8 2.7/3.4
  1. Meaurements in μm. E.V. = extreme values; X = mean values; SD = standard deviation.