FIGURE 5 in Diurnal hawk moth pollination of Melampyrum koreanum (Orobanchaceae) and the origin of this endemic Korean species

FIGURE 5. Ineffective and effective pollinators to the flower of M. koreanum. A) Moth, an ineffective but a possible pollinator of M. koreanum. B) Wasp robbing the nectar of M. koreanum. C) Fly also attracted to the M. koreanum flower to get nectar. D) Effective pollinator, hawk moth with white pollen grains on the head area.