Oil rewarding flowers: Callaeum psilophyllum (A. Juss) D.M. Johnson, Heteropterys glabra Hook. and Arn, Heteropterys hypericifolia A. Juss, Janusia guaranitica (A. St. Hil.) A. Juss, Niedenzuella sericea (A. Juss) W.R. Anderson, Stigmaphyllon bonariense (Hook. and Arn.) C.E. Anderson and Stigmaphyllon jatrophifolium A. Juss (Torretta et al. 2022). Other resources (nectar/pollen): Parkinsonia aculeata L., Vigna luteola (Jacq.) Benth. and Pontederia cordata L. (Ramello et al. 2021)