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