| Antennomeres | No. of primary whorl setae | No. of secondary whorl setae | Rudimentary spined sensory organs | Cavity-shaped organs on dorsal side | Bladder-shaped organs |
|---|---|---|---|---|---|
| 1st | 6 | ||||
| 2nd | 8 | 1 | |||
| 3rd | 9 | 1 | |||
| 4th | 10 | 1 | 1 | ||
| 5th | 11 | 1 | |||
| 6th | 11 | 1 | |||
| 7th | 11 | 2 | 1 | ||
| 8th | 11 | 2 | 1 | 1 | 1 |
| 9th | 12 | 5 | 2 | 2 | |
| 10th | 13 | 6 | 1 | 2 | 3 |
| 11th | 14 | 6 | 1 | 1 | 2 |
| 12th | 14 | 5 | 1 | 6 | |
| 13th | 15 | 5 | 1 | 1 | 6 |
| 14th | 14 | 5 | 2 | 7 | |
| 15th | 13 | 1 | 8 | ||
| 16th | 12 | 1 | 1 | 7 | |
| 17th | 12 | 1 | 1 | 4 |