Durante, S., and N. Cabrera. “Cladistic Analysis of Megachile (Chrysosarus) Mitchell and Revalidation of Megachile (Dactylomegachile) Mitchell (Hymenoptera, Megachilidae)”. Zootaxa, vol. 2284, no. 1, Nov. 2009, pp. 48–62, doi:10.11646/zootaxa.2284.1.4.