Table 3.
A summary of data on karyotypes in Nepa cinerea and Ranatra linearis.
| Taxon | Diploid | Haploid | References |
|---|---|---|---|
| Nepinae | |||
| Nepa cinerea | 35 ♂ 36 ♀ 33 ♂ 33 ♂ 33 ♂ 36 ♀ |
17AA + X(0) 14AA + X1X2X3X4Y* 14AA + X1X2X3X4Y* 14AA + X1X2X3X4Y 14AA + X1X1X2X2X3X3X4X4 |
Spaul 1922
Steopoe 1925, 1931, 1932 Halkka 1956 Present study |
| Ranatrinae | |||
| R. linearis | 43 ♂ 46 ♂ 43 ♂ 36 ♀ |
19AA + X1X2X3X4Y 22AA + XY 19AA + X1X2X3X4Y 19AA + X1X1X2X2X3X3X4X4 |
Steopoe 1927
Arefyev and Devyatkin 1988 Present study |
*In Ueshima (1979) haploid complement of this species was erroneously presented as 19AA + X1X2X3X4Y