| 1. | In some species the pygidium is outlined with a flat border.
|
| 2. | Its pygidium is small, with no cirri and numerous papillae.
|
| 3. | The pintail ( pygidium ) is of no significance for the jump.
|
| 4. | The pygidium is small ( micropygous ), with an even margin.
|
| 5. | The pygidium is rather large, and often rather effaced.
|
| 6. | Its pygidium has a terminal anus and two pygidial cirri.
|
| 7. | The tailshield ( or pygidium ) is well segmented.
|
| 8. | The tailshield ( or pygidium ) is weakly furrowed.
|
| 9. | The thorax has ten narrow segments The pygidium completely lacks any visible trilobation.
|
| 10. | The thorax is usually much longer than the pygidium, which is usually small.
|
मोबाइल