5.2.19. The Scaphisoma haemorrhoidale species group

This species-rich and widely distributed group was defined in LÖBL 1970b: 732. It is characterized by a trilobed and symmetrical median lobe, the parameres lacking lobes and symmetrical, in combination with a complex internal sac. The members of the group usually share strigulate abdominal microsculpture and have elytra lacking basal striae.