A dash or a thousand feet

A bulb or a thousand feet is an animal that is quite harmful to health if bitten by a thousand feet. A thousand feet can cause people to convulse and faint.
These millipedes can bite humans if they are in danger, their bites spread enough toxic liquids produced by scorpions or centipedes, but enough to cause a step in children.

Terbwing in black and if we bitten the skin will be bluish color