Neff, J. L., Simpson, B. B., Evenhuis, N. L., & Dieringer, G. (2003).

Character analysis of adaptations for tarsal pollen collection in the Bombyliidae (Insecta: Diptera): the benefits of putting your foot in your mouth

. Zootaxa, 157(1), 1–14. https://doi.org/10.11646/zootaxa.157.1.1