Flowers and pollinators of Kadsura coccinea in Southern China. (A) Two ovipositing Resseliella midges on the massively enlarged inner tepals. (B) Cerci of Resseliella spec_ex_K. coccinea under SEM; the arrows point to three of the four setae on the cerci of this species. (C) Pollen grains of K. coccinea on a midge’s body. (D) Eggs (arrow) of Resseliella on the apical platform of an inner tepal. (E) Longitudinal section of an inner tepal with larvae of Resseliella (arrow) feeding on the secretion. (F) Droplets of resinous exudate on the apex of an inner tepal. (G) The sticky resinous exudate of the inner tepals of first-night flowers. (H) Longitudinal sections through an inner tepal from a bagged flower not visited and wounded by midge larvae. (I) Longitudinal section through an inner tepal from a flower visited and wounded by midges, with the arrow pointing to resin droplets.