Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 83. (Budapest 1991)

Papp, L.: Notes on the genus Richardsia L. Papp (Diptera, Sphaeroceridae)

Figs 5-8. Richardsia mongolica L. PAPP, maie: 5 = aedeagal complex laterally, 6 = ventrally, 7 = basiphallus and ejaculatory apodeme ("sperm pump") in lateral view, 8 = paramere (postgonite) laterally. - Scales: Figs 56 = 0.2 mm, Figs 7-8 = 0.1 mm. Abbreviation: a = insertion of aedeagal apodeme