Sting tip animation

honey bee sting tip

Sting tip of honey bee worker seen from below. Two stylets of the sting can move along the lancet. When barbs of one stylet prevent the sting from going out, the other stylet gets deeper into the victims body. (scale bar = 0.1 mm)

The two rows of barbs are distributed along curved lines, therefore, the sting rotates clockwise about 8 degrees during penetration of victim's skin [1].