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Table 2 Measurements (μm) of Paragonimus spp. larval stages collected from snails

From: First intermediate hosts of Paragonimus spp. in Vietnam and identification of intramolluscan stages of different Paragonimus species

Characteristic P. heterotremus P. proliferus P. westermani
Cercaria
 Body 240–300 × 80–110 280–316 × 100–160 256–306 × 104–120
 Oral sucker 50–70 × 50–60 60–75 × 60–75 64–80 × 64–80
 Ventral sucker 28–30 × 28–30 35–50 × 35–50 40–48 × 40–48
 Tail length 20–25 25–30 20–24
 Stylet length 40–50 40–50 40–48
Redia
 Body 900–980 × 200–260 1000–1100 × 220–300 860–960 × 200–256
 Pharynx 70–86 × 70–86 80–100 × 80–100 64–80 × 64–80
 Intestine length 180–240 200–230 620–640
 Intestine/body length (%) 20 20 75
No. of cercariae per redia 10–12 5–6 6–8