(2013) “The Impact of Molecular Data on Our Understanding of Bee Phylogeny and Evolution”, Annual Review of Entomology58 (1), p. 57–78. doi:10.1146/annurev-ento-120811-153633.
mo.gov
mdc.mo.gov
Sweat Bees. Missouri Department of Conservation. Arkivita el la originalo je 2015-09-26.
ufl.edu
entnemdept.ufl.edu
sweat bees, halictid bees. University of Florida Entomology and Nematology Department. Alirita 21a de septembro 2019.
web.archive.org
Sweat Bees. Missouri Department of Conservation. Arkivita el la originalo je 2015-09-26.