FIGURES 16–22 in Taxonomy of Diamesa steinboecki group (Diptera: Chironomidae: Diamesinae) with description and DNA barcoding of known species. II. Subgroups davisi, leona and loeffleri

FIGURES 16–22. Adult males of Diamesa lupus Willassen from Alaska (16–18) and Diamesa serratosioi Willassen from Khakassia (19, 21), Magadan Region (20) and Norway (22). 16, 22, hypopygium of paratypes in dorsal view; 17, 20, hypopygium in dorsal view; 18, head, 19, transverse sternapodeme, aedeagal lobes and superior volsellae; 21, segment IX in lateral view.