Bechev, D. & Pavlova, A., 2016. Fungus gnats (Diptera: Bolitophilidae, Diadocidiidae,  Ditomyiidae, Keroplatidae and Mycetophilidae) of  Vrachanska Planina Mountains. ZooNotes Supplement, 3, pp.169-179. Available at: http://web.uni-plovdiv.bg/bechev/Bechev_pdfs/Mycettopohiloidea%20Vrachanski%20Balkan.pdf.

Bechev, D., 2010. On the family Mycetophilidae (Insecta: Diptera) in Bulgaria. ZooNotes, Supplement 1, p.72. Available at: http://nature.uni-plovdiv.bg/uploads/bechev/zoonotes/Supplements/ZooNotes_Suppl%201_Mycetophilidae_BG.pdf.

Bechev, D., 2006. The fungus gnats of the families Bolitophilidae, Diadocidiidae, Ditomyiidae and Keroplatidae (Diptera: Sciaroidea) of Bulgaria. Sceintific Studeis of the University of Plovdiv, Biology, Animalia, 41, pp.21-83. Available at: http://web.uni-plovdiv.bg/bechev/Bechev_pdfs/Bechev_2006_BDDK%20Bulgaria.pdf.

Dimitrova, B. & Mohrig, W., 1993. Beitrag zur Trauermuckenfauna Bulgariens (Diptera, Sciaridae). 2. Acta Zoologica Bulgarica, 46, pp.89-96.

Mohrig, W. & Dimitrova, B., 1993. Zwei neue Arten der Gattung Epidapus Hal. aus Bulgarien. (Insecta:Diptera: Sciaridae). Reichenbachia, 30, pp.99-102.

Mohrig, W. & Dimitrova, B., 1992. Neue Arten der Gattung Corynoptera Winnertz aus Bulgarien (Insecta,Diptera: Sciaridae). Reichenbachia, 29, pp.177-185.

Mohrig, W., Dimitrova, B. & Mamaev, B., 1992. Beitrag zur Trauermucken-Fauna Bulgariens (Dipt., Sciaridae). Entomologische Nachrichten und Berichte, 36, pp.197-202.

Bechev, D.N., 1991. Macrocera gemagea sp. n. from Bulgaria (Insecta, Diptera: Mycetophiloidea). REICHENBACHIA, 28, pp.185-186. Available at: http://www.online-keys.net/sciaroidea/1991_2000/Bechev_1991_Macocera_gemagea_n_sp.pdf.