Allolobophora (sensu lato) is one of the most controversial genera in the taxonomy of Lumbricidae. Due to its poor definition, this genus is plagued by extensive taxonomic confusion, and its generic composition and internal relationships have remained uncertain, especially in species of the Balkan Peninsula. In this study, we have combined the study of morphological data and molecular phylogenetics based on five genetic markers, regions of the nuclear 28S rRNA and mitochondrial 16S rRNA, 12S rRNA, NADH dehydrogenase (ND1) and cytochrome oxidase C subunit 1 (COI), to delimit the taxonomic status of five controversial Balkanic endemic species, Allolobophora (s.l.) dofleini, Allolobophora (s.l.) serbica, Allolobophora (s.l.) strumicae, Allolobophora (s.l.) paratuleskovi and Allolobophora (s.l.) treskavicensis, sampled in the Kopaonik Mountain. Phylogenetic analyses based on our sampling of these five species recovered a well-supported clade containing the species Allolobophora (s.l.) robusta, Allolobophora (s.l.) mehadiensis mehadiensis, Allolobophora (s.l.) sturanyi dacica, Cernosvitovia rebeli and Cernosvitovia dudichi. Based on these results and previous evidence, the aforementioned Balkanic species are transferred to a redefined Cernosvitovia. We further present a revised list of all species currently included in Cernosvitovia., which includes now 21 species and subspecies taxa, 13 of them newly combined here. Serbiona Mršić & Šapkarev, 1988 is considered a junior synonym of Cernosvitovia Omodeo, 1956.

This paper presents the first list of earthworm fauna of the Kopaonik National Park, a total of 16 taxa, belonging to eight genera of the family Lumbricidae. The genera with the largest number of the registered taxa are Dendrobaena and Lumbricus, while the genera Aporrectodea, Bimastos, Eisenia, Eiseniella, Octodrilus and Octolasion are represented by one species each. Also, the review of zoogeographical types and ecological categories of registered species are presented. Half of the species are peregrine, while the rest are autochthonous. Regarding ecological categories, anecic (2) and endogeic (4) species are more sensitive to high mountain environmental conditions than epigeic (12) species, which are more adapted to such conditions. Overall, our results highlight how little was previously known about the earthworm fauna in this area and emphasize the need for further collecting to better understand the hidden earthworm diversity in Kopaonik NP.

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In this paper, a list of the earthworm fauna of Bosnia & Herzegovina (Oligochaeta: Lumbricidae) is presented, including literature data, unpublished data from our collection and new data from the field. In this list, earthworm diversity, general ecology, their distribution and zoogeographical types are presented as well. The currently known earthworm fauna of Bosnia & Herzegovina is comprised of 49 species belonging to 12 genera, with Dendrobaena being the species-richest genus (11). Our zoogeographic analysis has shown presence of 9 different types of distribution. Аlmost one third of all species represent either peregrines (14 species, 28.57%) or endemic (13 species, 26.53%). A higher fraction of the endemic species belongs to the Allolobophora and Dendrobaena genera. With the 13 endemic and some Balkanic-Alpine (4), Alpine-Dinaric (2), Illyric (Western Balkans) (2) species, it is proven that 42.85% of the total lumbricidae fauna shows an autochthonous character. These results represent another confirmation of particularity of this fauna and prove the need for further research in this area.