Distribution of the troglophile spider Metellina merianae (Scopoli, 1763) (Araneae: Tetragnathidae) in Europe, based on 238 occurrences. Metellina merianae is a common inhabitant of the twilight zone of caves, although it possesses rather poor adaptations to the subterrranean conditions (Hesselberg and Simonsen 2019).
	Part of: Mammola S, Cardoso P, Angyal D, Balázs G, Blick T, Brustel H, Carter J, Ćurčić S, Danflous S, Dányi L, Déjean S, Deltshev C, Elverici M, Fernández J, Gasparo F, Komnenov M, Komposch C, Kováč L, Kunt KB, Mock A, Moldovan O, Naumova M, Pavlek M, Prieto CE, Ribera C, Rozwałka R, Růžička V, Vargovitsh RS, Zaenker S, Isaia M (2019) Continental data on cave-dwelling spider communities across Europe (Arachnida: Araneae). Biodiversity Data Journal 7: e38492. https://doi.org/10.3897/BDJ.7.e38492