Table 1 Features of Metaphase Karyotypes from Ingroup and Outgroup Species
Group | Species | 2n | M | A | D | FN | X | Y |
|---|---|---|---|---|---|---|---|---|
robusta | D. sordidula | 10 | 2 | 2 | 1 | 14 | Longer than autosomes, metacentric | Longer than the X, submetacentric, |
| Â | D. robusta | 8 | 3 | - | 1 | 14 | Longer than autosomes, metacentric | Longer than the X, submetacentric, |
melanica | D. colorata | 12 | 2 | 4 | 0 | 16 | Similar size that autosomes, acrocentric. | Similar size that autosomes, acrocentric |
| Â | D. micromelanica | 12 | 1 | 4 | 1 | 14 | Similar size that autosomes, acrocentric. | Similar size that autosomes, acrocentric. |
| Â | D. melanica, D. nigromelanica, D. euronotus and D. paramelanica | 10 | 2 | 2 | 1 | 14 | Longer than autosomes, metacentric | Longer than autosomes,, submetacentric |
funebris | D. funebris, D. macrospina | 12 | - | 5 | 1 | 12 | Longer than autosomes, acrocentric | Longer than autosomes, acrocentric |
mesophragmatica | D. pavani, D. gaucha | 10 | 1 | 3 | 1 | 12 | Similar size that autosomes, acrocentric | Similar size that autosomes, acrocentric |
virilis | D. virilis | 12 | - | 5 | 1 | 12 | Similar size that autosomes, acrocentric | Similar size that autosomes, acrocentric |
| Â | D. borealis | 10 | 1 | 4 | 0 | 12 | Â | Â |