Diamesa tskhomelidzei Kownacki et Kownacka

Makarchenko, Eugenyi A. & Palatov, Dmitry M., 2024, Redescription of the Caucasian endemic Diamesa tskhomelidzei Kownacki et Kownacka (Diptera: Chironomidae: Diamesinae), Zootaxa 5419 (3), pp. 446-450 : 446

Diamesa tskhomelidzei Kownacki et Kownacka

( Figs 1–10 )

Diamesa tskhomelidzei Kownacki et Kownacka, 1973: 135 ; Ashe & O’Connor 2009: 287.

Material examined. RUSSIA: 2 adult males, Republic of Kabardino-Balkaria, Elbrus District, Kashkatash Glacier , altitude 2630 m a.s.l., 23.VII.2023, 43°12’35.59”N, 42°41’02.39”E., leg. D. Palatov ; 1 mature pupa (male), the same data, except Dzhankuat Glacier, Adylsu River , altitude 2500 m a.s.l., 18.VII.2023, 43°12’47.75”N, 42°43’13.05”E., leg. D. Palatov.

Figures

FIGURES 1–7. Adult male of Diamesa tskhomelidzei Kownacki et Kownacka 1, hypopygium in dorsal view; 2, tergite IX with anal point; 3, hypopygium in ventral view; 4, gonocoxite, gonostylus and volsellae; 5, transverse sternapodeme; 6, gonostylus; 7, hypopygium in pupal exuvia. Scale bar: 50 μm.

FIGURES 8–10. Pupa of Diamesa tskhomelidzei Kownacki et Kownacka. 8, anterior part of cephalothorax with thoracic horn and precorneals; 9, tergite IV; 10, abdomen in dorsal view.