Table 2.

Ultrastructural parameters of sperm used for comparisons of species.

		Mitochondrial derivatives		Paracrystalline material		Axoneme	64 sperm
Species	Granules	Same size	Different size	Largest derivative	Smallest derivative	9 + 9 + 2	per cyst
Zaprionus africanus	+	–	+	+	+	+	+
Zaprionus camerounensis	+	–	+	+	+	+	+
Zaprionus davidi	–	–	+	–	–	+	+
Zaprionus gabonicus	+	–	+	+	+	+	+
Zaprionus megalorchis	+	–	+	+	+	+	+
Zaprionus tuberculatus	+	–	+	–	–	+	+
Zaprionus indianus*1	+	–	+	+	+	+	+
Zaprionus sepsoides*1	+	–	+	+	+	+	+
Drosophila willistoni	–	–	+	+	+	+	+
Drosophila melanogaster*2,3	na	–	+	+	–	+	+
Drosophila simulans*4	na	–	+	+	–	+	+
Drosophila cardini*2	na	–	+	+	–	+	–
Drosophila dunni*2	na	–	+	+	–	+	–
Drosophila hydei*2,5	na	–	+	+	+	+	–
Drosophila subobscura*6,7	na	–	+	–	–	+	–
Scaptodrosophila latifasciaeformis	+	–	+	+	+	+	+

Note.

^*1Rego et al. (2013), *²Mojica et al. (2000), *³Noguchi and Miller (2003), *⁴Pasini et al. (1996), *⁵ Henning (1992), *⁶Ramamurthy et al. (1980), *⁷Hauschteck-Junguen and Maurer (1976), na: not analyzed.