Function Houses visceral organs gestion, excretion, reproduction t1t2t3 tilts, ttg tio----ppt ■ Structure Genitalia-mating ovp stn spr Ovipositor ■ Cercus(1l t tergum ovp=ovIpositor sensory stn=sternum ept = epiproct spr=spiracle cr = cercus(cerci) ppt= paraproctt = tergum ovp = ovipositor stn = sternum ept = epiproct spr = spiracle cr = cercus (cerci) ppt = paraproct