Durante, Silvana, and Nora Cabrera. 2009. “Cladistic Analysis of Megachile (Chrysosarus) Mitchell and Revalidation of Megachile (Dactylomegachile) Mitchell (Hymenoptera, Megachilidae)”. Zootaxa 2284 (1). Auckland, New Zealand:48–62. https://doi.org/10.11646/zootaxa.2284.1.4.