Parakari

Nieto, Carolina & Derka, Tomáš, 2011, Parakari a New Genus of the Family Baetidae (Insecta: Ephemeroptera) from Guyana Highlands, Zootaxa 3032, pp. 47-59 : 49

Key to nymphs of Parakari n. g.

1 Posterior margin of abdominal terga with pointed spines ( Fig. 12 ); labrum ( Fig. 4 ) dorsally with one subapical setae near midline; labium ( Fig. 9 ) with segment II of palpi with a thin distomedial projection.................... P. auyanensis n. sp. Posterior margin of abdominal terga with rounded spines ( Fig. 27 ); labrum ( Fig. 19 a) dorsally with two subapical setae near midline, one short and one long; labium ( Fig. 24 a) with segment II of palpi with a broad distomedial projection................................................................................................ P. churiensis n. sp.

Figures

FIGURES 4 – 14. Parakari auyanensis sp. nov. Nymph. Mouthparts (Figs. 4 – 9): 4, labrum, left d. v., right v. v.; 5, left mandible v. v.; 6, right mandible v. v.; 7, hypopharynx v. v.; 8, maxilla v. v.; 9, labium, left d. v., right v. v. 10, leg I; 11, tarsal claw I. 12, posterior margin of tergum IV. 13, gill IV. 14, paraproct.

FIGURES 24 – 30. Parakari churiensis sp. nov. Nymph. 24 a, labium, left d. v., right v. v.; 24 b, paraglossae: two nonpectinate blade-like setae detail. 25, leg I; 26, tarsal claw I. 27, posterior margin of tergum IV. 28, gill IV. 29, paraproct. 30, cercus.

FIGURES 19 – 23. Parakari churiensis sp. nov. Nymph. Mouthparts (Figs. 19 – 23): 19 a, labrum, left d. v., right v. v.; 19 b, labrum: apical setae; 20, left mandible v. v.; 21 a, right mandible v. v.; 21 b, right mandible: prostheca detail; 22, hypopharynx v. v.; 23 a, maxilla v. v.; 23 b, denticles detail; 23 c, denticle I detail; 23 d, maxillary palpi, segment II detail.