sinistroventral

— Vaginal pore sinistroventral at level of seminal vesicle; vaginal sclerite with distal funnel, sigmoid distal tube frequently recurved distally, and chamber having comparatively thin walls, large cavities, and tubular extension; chamber frequently collapsed in specimens stained with Gomori’s trichrome and mounted in Canada balsam; proximal vaginal canal delicate, extending posteriorly from vaginal sclerite to small subspherical seminal receptacle lying anterior to Mehlis’ gland.