Opius concolor

Opius concolor is a species of braconid wasp, which belongs to a large and diverse family of parasitic wasps. These wasps are known as parasitoids because their larvae feed and develop on or within other arthropods. Braconid wasps primarily parasitize insects like moths, butterflies, beetles, and flies.1

Opius concolor specifically is a parasite of the olive fly, a significant pest of commercial olives. Braconid wasps are generally small, rarely exceeding 1.5 cm in length, and are often dull in color. Female braconids possess a long ovipositor, which is used for laying eggs. While some species use this organ as a stinger for defense, it is primarily for reproduction.1