IdentificationMale: 14-17mm from head to posterior tip of abdomen. Less black on thorax than others of this genus. Substantial orange colour present on notum, scutum, tegula, pleurons, scutellum, and propodeum. Abdomen orange with black dorsal patches on abdominal segments 2-6. Head orange. Antennae brown, usually 36 segments. Coxae black and orange, remainder of legs orange (including tarsi). Female: Black on thorax, except for tegula and sctutellum (which are orange). Abdomen mostly red, darker on top. Head black except for brown mouthparts. Coxae, femurs and trochanters black, tibia and tarsi dark red, but hind tibia can have black as well.