Rozen 2003. A new tribe, genus, and species of South American panurgine bee (Andrenidae, Panurginae), oligolectic on Nolana (Nolanaceae). Melo, Gabriel A.R.; Alves dos Santos, Isabel[Eds]. [Neotropical Apoidea: in honour of the 90th birthday of Jesus Santiago Moure.], UNESC, Criciuma, 2003: i-xvi, 1-320. Chapter pagination: 93-106