Ptiolina obscura (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ptiolina obscura" in English language version.

refsWebsite

Global rank English rank

387^th place

373^rd place

biodiversitylibrary.org

Zetterstedt, J.W. (1842). Diptera Scandinaviae disposita et descripta. Tomus primus. Lundae [= Lund.].: Officina Lundbergiana. pp. iii-xvi + 1-440. Retrieved 22 October 2022.
Wahlberg, P.F. (1854). "Bidrag till kannedomen om de nordiska Diptera". Öfversigt af Kongliga Vetenskapsakademiens Förhandlingar. 11: 211–216. Retrieved 2 January 2023.
Frauenfeld, G.R. von (1867). "Zoologische Miscellen XI". Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien. 17: 425–502, pl. 12. Retrieved 29 January 2021.