Table 2 Measurements (in μm) for the main morphological features showing differences between gravid specimens of P. pseudofolium and P. angulatum

Host

Gymnocephalus cernuus

Sander lucioperca

Lota lota

Body length

1,007–1,764 (1,290.6)

2,304–2,988 (2,560)

2,736–3,744 (3,168)

Body width

315–1,080 (567)

720–1,476 (1,127)

1,224–1,656 (1,462)

Oral sucker width

138–252 (175)

207–297 (253)

243–387 (310)

Ventral sucker width

126–216 (171)

306–450 (392)

360–513 (430)

Sucker ratio

0.85–1.27 (1.03)

0.56–0.74 (0.65)

0.68–0.77 (0.72)

Eggs (n = 20)

29–33 × 16–20

(30 × 19)

33–40 × 18–20

(35 × 20)

33–40 × 20–22

(37 × 21)