The second image provides some close up detail of the damselfly. This includes one of its small simple eyes on top of its head between the large compound eyes, details of the exoskeleton structure which operates the wings, and an oxygen providing spiracle. Behind the head and between the large compound eyes is a small dark brown, circular structure, which I understand to be the anterior thoracic spiracle, providing oxygen to the damselfly’s wing muscles and brain. It is usually hidden from view behind the head/eye structure, but visible in this view.