Hirudo verbana bilineata ssp. nov. (a,b) dorsal view of reproductive system of nov. a, atrium, co, common oviduct, e, epididymis, eb, ejaculatory bulb, g, ganglion in segment XI, nc, ventral nerve cord, o, ovisac, p, penis sheath, t, testisac, v, vagina, vd, vas deferens.