Mecoptera are an order of insects in the superorder Endopterygota with about six hundred species in nine families worldwide.

What are the characteristics of Mecoptera?

Mecoptera are small to medium-sized insects with long beaklike rostra, membranous wings and slender, elongated bodies. They have relatively simple mouthparts, with a long labium, long mandibles and fleshy palps, which resemble those of the more primitive true flies.

Is Mecoptera a Holometabolous?

This is a small, primitive order of holometabolous insects. Some scorpionflies are known as hangingflies or earwigflies.