General data	Thematic references	Distribution references
Helodrilus balcanicus

Bulgaria Tsekova and Bogoev, 2010 Macedonia All data concern sub-species: H. b. balcanicus: Trakic et al., 2016 Montenegro All data concern sub-species: H. b. balcanicus: Trakic et al., 2016 H. b. plavensis: Stojanovic and Karaman, 2003b; Trakic et al., 2016 Serbia All data concern sub-species: H. b. balcanicus: Stojanovic et al., 2013; Trakic et al., 2016 H. b. plavensis: Stojanovic et al., 2013; Trakic et al., 2016

General data

Thematic references

Distribution references

Data are not exhaustive. The database is permanently a work in progress.