Sasakawa, M., 1992. Two new fungus gnats (Diptera: Mycetophilidae and Sciaridae) associated with cultivated shiitake mushroom. Applied Entomology and Zoology, 27, pp.571-574, illustr. Available at: http://www.online-keys.net/sciaroidea/1991_2000/Sasakawa_1992_Mycetophilidae_associated_Shiitake_mushroom.pdf.