Rheotanytarsus meridionalis (Johannsen)

Tanytarsus (Rheotanytarsus) meridionalis Johannsen, 1938: 222

Rheotanytarsus meridionalis (Johannsen): Spies & Reiss 1996:73; Kyerematen & Andersen, 2002: 32

Material examined. 2 adult males from Jujuy, Ledesma, Zora stream, 23º45'4'' S, 64º41'27", 411 m a.s.l., 8.II.2006. E. Tejerina coll. Deposited in IML.

Description. Adult male (n = 2 except when otherwise stated)

Total length 2872 (n = 1), abdominal length 1536–2080 (1808), thorax length 800 (n = 1), total length/ wing length 2130 (n = 1), wing length/profemur 1850–3600 (2725).

Head. Antenna 830–836, AR 0.58–0.59 (0.59). Temporal setae 7. Length of palpomeres 1–4 (fifth palpomere missing): 28, 116, 64, 208 (n = 1).

Wing length 1350–1430 (1390), width 410–420 (415). VR 1.49–1.54 (1.52).

Legs (see table 3). Tibial spur of fore leg 27; 2 spurs of mid tibiae subequal in size 25–37; 2 subequal spurs of hind tibiae 27–37 (n = 2).

Hypopygium. Gonocoxite 102–140 (121), gonostylus 96–124 (110). Median volsella 56, inferior volsella 80, anal point 32 (n = 1).