Diamesa starmachi Kownacki & Kownacka, 1970

The most recent illustrations of male genitalia of this species are in Giłka et al. (2013). The species was collected in the Italian Alps in Vermigliano stream and in Noce Bianco, but only in the larval and pupal stages (Rossaro & Lencioni 2015a, b). No adult male of D. starmachi are known at present from Italy.