| pollination in jacaranda rugosa (bignoniaceae): euglossine pollinators, nectar robbers and low fruit set. | nectar robbers access floral nectar in illegitimate flower visits without, in general, performing a pollination service. nevertheless, their effect on fruit set can be indirectly positive if the nectar removal causes an incremental increase in the frequency of legitimate flower visits of effective pollinators, especially in obligate outcrossers. we studied pollination and the effect of nectar robbers on the reproductive fitness of jacaranda rugosa, an endemic shrub of the national park of catimb ... | 2009 | 19228320 |