Key to species groups of Cladoconnus of the Balkans, Turkey and Caucasus based on males

The subgenus Cladoconnus within the studied area forms two well-defined groups of species which can be easily distinguished on the basis of the structure of antennal club:

1 Antennomere VIII slightly wider than long, about as long as wide or only slightly longer (max. 1.5 times) than wide............................................................................................... group schlosseri

- Antennomere VIII more than 1.25 times as long as wide......................................... group denticornis