Robber and pollinators of <i>T. undulata</i>.

<p>(A) The robber (<i>Nectarinia asiatica</i>) consuming nectar by piercing through the corolla tube, and (B) through the opening of the tube. (C & D) The two pollinators - <i>Pycnonotus leucotis</i> and <i>Pycnonotus cafer</i> legitimately forage the flowers and facilitate pollination. Inset of (A): Note the hole (arrow) in the corolla tube made by the robber.</p>