👉 Selenidiidae are a group of flies that belong to the family Selenidae, which is also known as the "selenicid" family. These flies have a long, slender body, with two sets of wings (anophthalmy) and a pair of eyes located on each side of the head. They are primarily found in forests and shrublands, where they feed on various plant species including conifers, birches, and larches.