Corinnella Thomas & Dominique, 2006

Boldrini, R., Salles, F. F. & Pes, A. M. O., 2013, A new species of Corinnella Thomas & Dominique, 2006 (Ephemeroptera: Baetidae), Zootaxa 3608 (1), pp. 75-80 : 76

Corinnella Thomas & Dominique, 2006

Corinna Dominique et al. 2005: 73 (nec Corinna Koch, 1841 ). Corinnella eximia (Thomas & Dominique, 2006: 9) ; Salles, 2007: 404; Nieto, 2010: 4.

Diagnoses. Nymphs: 1) Incisors of mandible fused ( Figs. 7, 8 ; Figs. 2 r and 2l from Dominique et al. 2005); 2) mandibles without setae between prostheca and mola; 3) maxillary palp segment II bifid ( Fig. 6 , Fig. 4 from Dominique et al. 2005); 4) labial palp with fine, long setae scattered on ventral surface ( Fig. 9 ; Fig. 5 from Dominique et al. 2005); 5) oblique row of setae near patella-tibial suture on all legs ( Fig. 10 b; Fig. 7 from Dominique et al. 2005); 6) patella-tibial suture less than half the length of tibia; ( Fig. 10 a; Fig. 7 from Dominique et al. 2005); 7) hind wing pads present; 8) abdominal gills present on segments I–VII; 9) tarsal claws spatulate; 10) terminal filament as long as cerci.

Figures

FIGURES 4 – 9. Corinnella thomasi sp. nov., nymph. 4 a, labrum (left ventral view, right dorsal view). 4 b; detail of setae of the apical margin of labrum. 5, hypopharynx; 6, maxilla. 7, left mandible. 8, right mandible. 9, labium (left dorsal view, right ventral view).

FIGURES 1 – 3. Corinnella thomasi sp. nov., nymph. 1 (lateral view). 2. (dorsal view). 3. detail of abdomen and cerci.

FIGURES 10 – 13. Corinnella thomasi sp. nov., nymph. 10 a, foreleg. 10 b, detail of patella-tibial suture. 10 c, photo in detail of the tarsal claw. 10 d, detail of the tarsal claw. 11, posterior margin of terga IV. 12 a, gill IV. 12 b, detail of margin of the gill IV. 13, paraproct.