Spiders (Araneae) from Albania and Kosovo in the collection of Carl Friedrich Roewer

The spider collection (Arachnida: Araneae) from Albania and Kosovo in the Senckenberg Research Institute, Frankfurt am Main is reviewed. A total of 122 adult specimens were found belonging to 73 species. Records of 48 species for Albania and 28 species for Kosovo, 20 of them new to Kosovo, are presented. Furthermore there are seven new country records for Albania: Platnickina nigropunctata, Erigone remota, Tenuiphantes tenebricola, Pardosa agrestis, Callobius claustrarius and Zelotes femellus. Additionally, Pardosa cavannae is the first record for the Balkan Peninsula. So far 381 species are known for Albania. A total of 106 species is known from Kosovo now; a list of the 86 spider species formerly known to Kosovo is included