Robackia Saether

Abstract

Key to the males of Robackia Saether 1. Anal point only with basal strong setae ....................... R. demeijerei (Kruseman, 1933) - Anal point with weak setae in addition to basal strong setae........................................ 2 2. Tergite IX with shoulders.............................................................................................. 3 - Tergite IX with posterior margin rounded..................................................................... 4 3. Superior volsella swollen distally, anal point nearly parallel-sided................................ ................................................................................................ R. pilicauda Saether, 1977 - Superior volsella not swollen distally, anal point widened in apical 1 / 3........................ ................................................................................................. R. aculeata Zorina, 2003 4. Anal point constricted basally, AR 2.00– 2.44 ...................... R. claviger (Townes, 1945) - Anal point nearly parallel-sided, AR 1.30 .......................................... R. parallela sp. n.Published as part of Yan, Chuncai & Wang, Xinhua, 2006, Robackia Saether from China (Diptera: Chironomidae), pp. 53-59 in Zootaxa 1361 on page 58, DOI: 10.5281/zenodo.17468