Michener, Charles D. (1968). «Heriades spiniscutis, a Bee That Facultatively Omits Partitions between Rearing Cells (Hymenoptera, Apoidea)». Journal of the Kansas Entomological Society41 (4): 484-493. JSTOR25083741. doi:10.2307/25083741.
Griswold, Terry L. (1994). «Taxonomic Notes on Some Heriadines, with Descriptions of Three New Species (Hymenoptera: Megachilidae)». Journal of the Kansas Entomological Society67 (1): 17-28. JSTOR25085487. doi:10.2307/25085487.
Michener, Charles D. (1968). «Heriades spiniscutis, a Bee That Facultatively Omits Partitions between Rearing Cells (Hymenoptera, Apoidea)». Journal of the Kansas Entomological Society41 (4): 484-493. JSTOR25083741. doi:10.2307/25083741.
Griswold, Terry L. (1994). «Taxonomic Notes on Some Heriadines, with Descriptions of Three New Species (Hymenoptera: Megachilidae)». Journal of the Kansas Entomological Society67 (1): 17-28. JSTOR25085487. doi:10.2307/25085487.