Thoracic chaetotaxy
Thorax I total chaetae:
0 – 0+0
1 – at least 1+1
Thorax II total chaetae:
0 – 1+1 2(24)
1 – 0+0
2 – Different combination
Thorax III total chaetae:
0 – 3+3 2(24)2(26)2(23)
1 – Different combination