Rheotanytarsus

Tejerina, Eva Gabriela & Paggi, Analía Constancia, 2009, A redescription of Rheotanytarsus lamellatus Reiss in all stages (Diptera: Chironomidae) and new records from Argentina, Zootaxa 2315, pp. 31-38 : 37-38

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