ecology

Floristic-geographic relationships in a forest structure at the central region of the State of Rio Grande do Sul, Brazil.

Most of the species surveyed are widely distributed across southern Brazilian vegetation formations. A large proportion of species belonged to the western seasonal contingent.

Pollen vector wasps (Hymenoptera, Vespidae) of Schinus terebinthifolius Raddi (Anacardiaceae), Santa Cruz do Sul, RS, Brazil

The wasps Polistes versicolor, P. simillimus, Polybia sericea and P. ignobilis had large quantities of pollen on their body, beyond high values of dominance and constancy, proving its importance on pollen transportation and potential to act as pollinators of Schinus terebinthifolius.