A redescription of Rheotanytarsus lamellatus Reiss in all stages (Diptera: Chironomidae) and new records from Argentina Author Tejerina, Eva Gabriela Author Paggi, Analía Constancia text Zootaxa 2009 2315 31 38 journal article 10.5281/zenodo.192014 794f3d2c-5563-4b5b-b4b6-fde085211b25 1175-5326 192014 Key to pupae of Rheotanytarsus from South America [emended from Wiedenbrug & Ospina–Torres (2005)] 1. Tergites IV–VII with paired fields of dark-colored reticulation; shagreen present on tergites V–VI, absent on tergite VII ................................................................................................ Rheotanytarsus sp. 1 Wiedenbrug & Ospina–Torres - Tergites IV–VII not as above ...................................................................................................................................... 2 2. Three taeniate lateral setae on segment VIII. ............................... Rheotanytarsus sp. 2 Wiedenbrug & Ospina-Torres - Lateral setae on segment VIII not as above.................................................................................................................. 3 3. Tergites II–VI with paired anterior patches of spinules, bifid ventral setae, segment VIII with darkened margins and two caudolateral spurs ................................................................................................. Rheotanytarsus lamellatus Reiss - Tergites II–V with paired anterior point patches, segment VIII never as above. ......................................................... 4 4. Segment VIII with 5 taeniate lateral setae ................................................................... Rheotanytarsus globosus Reiss - Segment VIII with 4 taeniate lateral setae.................................................................................................................... 5 5. Tergite II with paired anterior transverse point patches and fine shagreen in the middle of tergite ( Wiedenbrug & Ospina-Torres 2005, fig. 5 C ) ...................................................... Rheotanytarsus sp. 3 Wiedenbrug & Ospina-Torres - Tergite II with only paired anterior transverse point patches, without fine shagreen in the middle of tergite (Wieden- brug & Ospina-Torres 2005 , fig. 5 I ) ........................................... Rheotanytarsus sp. 4 Wiedenbrug & Ospina-Torres