Distribution; world
To the present knowledge, the distribution range of C. nasutum is split into four disjunct areas: i) northern Algeria, ii) southern France and northernmost Spain, iii) southeastern Europe (Greece without Crete and the Aegean islands, Romania and Bulgaria), and iv) easternmost Turkey (Müller, 2015). North African records are dubious:
BG, ES, FR, GR, GR-AN, RO, DZ*, TR