The owly sulphur

A strange insect, part butterfly, part dragonfly, with large black antennae, transparent wings tinted with yellow or white and with well-defined veining, flies over the meadow during the hottest part of the day. It is the owly sulphur. Owlflies are members of the Neuroptera (net-winged) order and are cousins of ants and lacewings. They are predators of small insects, flies in particular.