Table 5.

Key to the Haemoproteus species of Bucerotiformes birds

Step	Features and species
1 (2)	Nuclei assume predominantly central or subcentral position in the fully grown macrogametocytes (Fig. 6a); subterminal position of nuclei is not characteristic. Pigment granules tend to aggregate in conspicuous groups (Fig. 6a)
	………………………………………………………………………………………………………………….	H. upupae (Fig. 6a) [3, 51] a
2 (1)	Nuclei assume predominantly subterminal position in the fully grown macrogametocytes (Fig. 6b); central or subcentral position of nuclei is not characteristic. Pigment granules are randomly scattered (Fig. 6b); they do not tend to aggregate in conspicuous groups
	………………………………………………………………………………………………………………….	H. bucerotis (Fig. 6b) [3, 65]

^aRedescription of H. upupae is needed. Information about this parasite is scanty