Albert Harry Hamm (1928) On the Production of Silk by Species of the Genus Hilara Meig.(Diptera): Appendix: On the Epigamic Behaviour of Hilara maura, Fab., and Two Allied Species. Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character Vol. 102, No. 718 pp. 334-338
Jennifer A. Sadowski á Allen J. Moore, Edmund D. Brodie III (1999) The evolution of empty nuptial gifts in a dance fly, Empis snoddyi(Diptera: Empididae): bigger isn't always better. Behav Ecol Sociobiol 45: 161-166
Chinery, Michael (1986): Collins Guide to the Insects of Britain and Western Europe.
Moulton, J.K. & Wiegmann, B.M. (2007): The phylogenetic relationships of flies in the superfamily Empidoidea (Insecta: Diptera). Mol. Phylogenet. Evol.43(3): 701-713. doi:10.1016/j.ympev.2007.02.029 (HTML abstract)
Sinclair, B.J. & Cumming, J.M. (2006): The morphology, higher-level phylogeny and classification of the Empidoidea (Diptera). Zootaxa1180: 1-172. PDF fulltext