Paracloeodes poranga (Salles & Lugo­Ortiz) Salles & Lugo-Ortiz, 2006

Nieto, Carolina & Salles, Frederico Falcaõ, 2006, Revision of the Genus Paracloeodes (Ephemeroptera: Baetidae) in South America, Zootaxa 1303, pp. 1-33 : 13-14

Paracloeodes poranga (Salles & Lugo­Ortiz) comb. n. ( Figs. 74–84 )

Iguaira poranga Salles & Lugo­Ortiz, 2003: 203 .

Nymph. Characterized by Salles & Lugo­Ortiz (2003) with the following necessary changes: 1) segment I of labial palpi subparallel to glossae and paraglossae ( Fig. 79 ); 2) tarsal claws with two rows of minute denticles basally ( Fig. 81 ).

Adult. Unknown.

Discussion. Paracloeodes poranga n. comb. can be distinguished from the other species of the genus by the following combination of characters, 1) frontal keel present; 2) antennae long, 3.5–4 times width of head capsule; 2) labrum ( Figs. 74 a–b) with short setae dorsally; 3) hypopharynx ( Fig. 77 ) with lingua slightly longer than superlingua and with a pointed projection apically; 4) mandibles ( Figs. 75–76 ) with external margins convex; 5) maxillary palpi 2 times the length of galea­lacinia ( Fig. 78 ); 6) segment II of labial palpi with strong distomedial projection, more than 2.5 times the width of segment III ( Fig. 79 ); 7) hind wing pads present; 8) tarsal claws 0.5 times the length of tarsi ( Fig. 80 ), with two rows of minute denticles basally ( Fig. 81 ); 9) posterior margin of abdominal terga with spines 1.5 times longer than wide ( Fig. 82 ); 10) gills ( Fig. 83 ) whitish and elongate; 11) paraproct with 19–20 spines ( Fig. 84 ).

Material. Holotype female nymph: BRASIL, Minas Gerais, Itamonte, Rio Aiuruoca (pedra), 8/ IX/ 2000, Ferreira col. Five nymphs: Brasil, Minas Gerais, 1º Afluente Do Rio Aiuruoca; Entomologia UFRJ col. Three nymphs housed at IBRJ, remaining nymphs deposited at IFML.

Figures

FIGURE 74 – 84. Paracloeodes poranga comb. n. Nymph. Mouthparts (Figs. 74 – 79): 74 a, labrum, left d. v., right v. v.; 74 b, labrum: apical setae; 75, left mandible v. v.; 76, right mandible v. v.; 77, hypopharynx v. v.; 78, maxilla v. v.; 79, labium, left d. v., right v. v. 80, leg I; 81, tarsal claw I. 82, posterior margin of tergum IV. 83, gill IV. 84, paraproct.