👉 The term "Opisidae" refers to a group of insects that belong to the family Apidae, which is a subfamily of the order Drosophila. They are known for their distinctive black and white body coloration, with black markings on the abdomen and legs, and their small size, typically between 1-5 mm in length. These insects are commonly found in the nests of other insects such as ants, bees, and butterflies, where they lay their eggs.