1. Abelhas e plantas melíferas da Mata Atlântica, restinga e dunas do litoral norte do Estado do Rio Grande do Sul, Brasil;Alves dos Santos;Revista Brasileira de Entomologia,1999
2. Notes on bees of the tribe Emphorini;Alves dos Santos;Anais IV Encontro Sobre Abelhas de Rib. Preto,2000a
3. Ancyloscelis gigas Friese (Emphorini, Apoidea) in southeastern Brazil and the importance of aquatic plants to bee diversity;Alves dos Santos;Biogeographica,2000b
4. The proboscis of the long-tongued Ancyloscelis bees (Anthophoridae/Apoidea), with remarks on flowers visits and pollen collecting with the mouth parts;Alves dos Santos;Journal of the Kansas Entomological Society,1999
5. Legitimate pollination of the trimorphic flowers of Eichhornia azurea (Pontederiaceae) by Ancyloscelis gigas bees (Anthophoridae, Apoidea);Alves dos Santos;Plant Systematics and Evolution,2000