Spiritiops

Nieto, Carolina & Derka, Tomáš, 2012, A new species of the genus Spiritiops Lugo-Ortiz & McCafferty (Ephemeroptera, Baetidae) from the Pantepui biogeographical province, Zootaxa 3256, pp. 58-63 : 60

Key to mature nymphs of Spiritiops

1 Nymphs bigger (more than 8 mm); labrum ( Fig. 6 a) dorsally with a row of subapical long setae; abdominal color pattern ( Fig. 3 ) with segments II–VII with a pair of reddish spot laterally.................................. S. tepuiensis sp. nov. Nymphs smaller (less than 5 mm); labrum (Nieto et al. 2011, Fig. 57a) dorsally with 2 pairs of subapical long setae; abdominal color pattern with segments III–IV, VI–VII brownish with faint small spots anteriorly in midregion (Nieto et al. 2011, Fig. 7 )............................................................................................. S. silvudus

Figures

FIGURES 4 – 17. Spiritiops tepuiensis sp. nov. Figs. 4 – 5, female imago. 4, fore wing; 5 a, hind wing; 5 b, hind wing detail. Figs. 6 – 17, nymph. Mouthparts (Figs. 6 – 11): 6 a, labrum, left d. v., right v. v.; 6 b, labrum anterior margin; 7, left mandible; 8, right mandible; 9, hypopharynx; 10, maxilla; 11, labium, left v. v., right d. v. 12, leg I; 13, tarsal claw. 14, posterior margin of tergum IV. 15, gill IV. 16, paraproct. 17, cerci.

FIGURES 2 – 3. Spiritiops tepuiensis sp. nov., dorsal habitus. 2, female imago; 3, nymph.