Owlfly or Ascalaphidae,
Ascalaphidae is a family of insects in the order Neuroptera, generally called owlflies. that are frequently mistaken for dragonflies because of their slender bodies and long membranous wings. The adults are found mainly in the tropics but are quite common in the Kerala. Owlflies are distinguished from dragonflies by the way in which they fold their wings over the body at rest and by their heavy, clubbed antennae. The larva camouflages itself with debris or hides beneath bark to await prey.