Parakari

Derka, Tomáš, Nieto, Carolina & Svitok, Marek, 2015, A new species of Parakari (Ephemeroptera: Baetidae) from Guiana Highlands, Zootaxa 4028 (2), pp. 296-300 : 297-298

Key to nymphs of Parakari (modified from Nieto & Derka, 2011)

1 Segment II of labial palpi with a broad distomedial projection (Fig. 24a, Nieto & Derka 2011) ............ P. churiensis

- Segment II of labial palpi with a thin distomedial projection ( Fig. 9 ).......................................................................... 2

2 Labrum dorsally with two subapical setae near midline ( Fig. 4 , Nieto & Derka, 2011); posterior margin of abdominal tergum IV with pointed spines ( Fig. 12 , Nieto & Derka, 2011); right mandible with prostheca bifid apically ( Fig. 6 , Nieto & Derka 2011); mandibles with incisors short ( Figs. 5–6 , Nieto & Derka 2011) ..................... P. auyanensis

- Labrum ( Fig. 4 ) dorsally with four subapical setae near midline; posterior margin of abdominal tergum IV with rounded spines intercalated with pointed spines ( Fig. 12 ); right mandible with prostheca bifid basally ( Fig. 6 ); mandibles with incisors elongate ( Figs. 5–6 ) ...................................................................................... P. roraimensis sp. n.

Figures

FIGURES 4 – 14. Parakari roraimensis sp. n. 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, fore leg I; 11, fore tarsal claw I; 12, posterior margin of tergum IV; 13, gill IV; 14, paraproct. (v. v: ventral view; d. v.: dorsal view).