Ants too have soldiers - Driver Ants

Driver ants also known as Dorlyus, are a large genus of army ants found in central and east Africa, although the range also extends to tropical Asia. They are capable of stinging, but very rarely do so, relying instead of their powerful shearing jaws.

                                                                                                                                                                   

Seasonally, when food supplies become short, they leave the hill and form marching columns of up to 50,000,000 ants, which are considered a menace of people, though they can be easily avoided, as a column can only travel 20 metres in a hour. Their presence is, conversely, beneficial to certain human communities as they perform a pest prevention service in majority of other crop-pests, from insects to large rats.

Using their powerful cutting jaws, driver ants attack everything in their path, including snakes, birds, mammals, and even human beings. Their systematic search for prey involves climbing into trees and shrubs.

                      

Various East African tribal people, when suffering from a gash in the bush, will use the soldiers to stitch the wound by getting the ants to bite on both sides of the gash, then breaking off the body. This use of ants creates a seal that can hold for a days at a time, and the procedure can be repeated, if necessary.