FIGURES 1–10 in The chironomids (Diptera, Chironomidae) described by Lundström (1915) from arctic Siberia, with a redescription of Derotanypus sibiricus (Kruglova & Chernovskii)

FIGURES 1–10. Chironomus (Chironomus) spp., imagines, 1: C. lundstroemi sp. n., hypopygium, 2–6: frontal tubercles and frons, 2: C. lundstroemi sp. n., female, 3–4: C. trabicola Shobanov, Wülker & Kiknadze, female and male, 5:C.?lugubris Zetterstedt, female, 6:C. flavoviridis Lundström, female, 7–10: female genitalia, apodeme lobe (shown separately), dorsomesal and ventrolateral lobes, 7:C. lundstroemi sp. n., 8:C.?lugubris Zetterstedt, 9: C. flavoviridis Lundström, 10: C. trabicola Shobanov, Wülker & Kiknadze.