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Table 1 Morphometric parameters of ookinetes, oocysts and sporozoites of four Haemoproteus species in the biting midge Culicoides impunctatus. Measurements are given in micrometres. Minimum and maximum values are provided, followed in parentheses by the arithmetic mean and standard deviation

From: The widespread biting midge Culicoides impunctatus (Ceratopogonidae) is susceptible to infection with numerous Haemoproteus (Haemoproteidae) species

Feature

Measurementsa

H. pallidus

H. majoris

H. motacillae

H. balmorali

Ookinete

    

 Length

7.5–9.6 (8.3 ± 0.5)

9.4–14.4 (12.1 ± 1.5)

11.1–20.0 (16.7 ± 2.5)

15.0–21.4 (18.0 ± 1.7)

 Width

2.1–4.3 (3.0 ± 0.6)

1.4–3.0. (2.1 ± 0.4)

1.3–3.3 (2.3 ± 0.6)

1.4–3.0 (2.3 ± 0.4)

 Area

12.3–24.8 (16.9 ± 3.3)

11.8–33.3 (19.5 ± 5.7)

20.2–47.4 (31.5 ± 8.8)

20.7–49.7 (32.3 ± 7.8)

Oocyst

    

 Min. diameter

2.7–4.6 (3.5 ± 0.6)

2.7–4.5 (3.6 ± 0.7)

3.5–6.1 (4.8 ± 1.0)

3.0–5.1 (4.2 ± 0.6)

 Max. diameter

3.6–5.2 (4.3 ± 0.5)

3.6–6.0 (4.9 ± 0.8)

5.4–7.1 (6.3 ± 0.6)

3.8.1–6.9 (5.2 ± 0.8)

 Area

7.3–16.0 (11.7 ± 2.5)

7.7–18.7 (14.5 ± 4.2)

17.4–33.4 (23.7 ± 6.0)

7.8–25.3 (17.7 ± 5.0)

Sporozoite

    

 Length

6.2–11.5 (8.9 ± 1.3)

6.6–13.5 (9.5 ± 1.5)

8.7–12.7 (10.2 ± 0.9)

7.7–12.0 (11.0 ± 1.0)

 Width

0.6–1.4 (1.0 ± 0.2)

0.9–1.5 (1.1 ± 0.2)

0.7–1.7 (1.0 ± 0.1)

0.6–1.2 (0.9 ± 0.1)

 Area

5.0–9.8 (7.3 ± 1.3)

5.7–13.2 (8.2 ± 2.0)

5.2–11.5 (8.2 ± 1.6)

5.0–9.5 (7.3 ± 1.1)

  1. aMeasurements of ookinetes (n = 21, methanol-fixed preparations 12–24 hpi), oocysts (n = 8–12, formalin-fixed preparations of mature parasites 2.5–4 dpi) and sporozoites (n = 21, methanol-fixed preparations 8 dpi)