About Leucospis dorsigera Fabricius, 1775
Leucospis dorsigera can reach a length of 10–12 millimetres (0.39–0.47 in). This is a rather variable, vespid-like species that mimics stinging wasps. Its body is quite robust, with yellow stripes on a black base body color. The fore wings are folded longitudinally. The hind femora are swollen and toothed along the lower margin, bearing one large median tooth and short lateral teeth. Females of this species have a relatively short gaster; their ovipositor is turned upward, lies along the dorsal side of the metasoma, and reaches just to the base of the gaster. In males, many metasomal segments fuse together to form a capsule-like "carapace". This widely distributed species occurs from Eastern Russia, across Europe (including Austria, Croatia, Czech Republic, France, Germany, Hungary, Italy, Republic of Moldova, North Macedonia, Poland, Romania, Slovakia, Slovenia, Spain, Switzerland), and on to the Near East and North Africa. Leucospis dorsigera lives in meadows, wet meadows, and other areas where its host species are abundant.