Lice features
| Head [Compare with thorax width] |
Broad[Chewing/biting]
|
Long[Sucking]
|
| Paratergal plates |
Yes
|
No
|
| Antenna |
Hidden[May just see last segments]
|
Not Hidden
|
| Spiracles on Tubercles (projecting from abdomen) |
Yes
|
No
|