Chaetocladius guardiolei sp. n.:
anal point (Figs 4 F, G) with well-sclerotized basal lateral margin, inferior volsella (Fig. 4 H) triangular and nose-like with hyaline and bare apex, gonostylus (Fig. 4 J) bulbous distally, are all differently figured in C. suecicus and C. longivirgatus (Stur & Spies 2011, Figs 6 -11) and C. subalpinus (Rossaro 2017, Fig. 4).