Camelobaetidius cayumba ( Traver & Edmunds, 1968 )

Boldrini, R., Pes, A. M. O., Francischetti, C. N. & Salles, F. F., 2012, New species and new records of Camelobaetidius Demoulin, 1966 (Ephemeroptera: Baetidae) from Southeastern Brazil, Zootaxa 3526, pp. 17-30 : 21-22

Camelobaetidius cayumba ( Traver & Edmunds, 1968)

(Fig. 9)

Dactylobaetis cayumba Traver & Edmunds, 1968: 669 .

Camelobaetidius cayumba McCafferty & Davis, 1992: 207 ; Dominique et al., 2002a: 18; Dominique et al., 2002b: 39; Domínguez et al., 2002: 462; Thomas et al., 2003a: 118; Thomas et al., 2003b: 130; Salles & Serrão, 2005: 269; Domínguez et al., 2006: 128; Dias et al., 2009: 238; Falcão et al., 2011: 527; Boldrini et al., 2012: 93 ; Lima et al. 2012: 63 .

Diagnoses. Nymphs: 1) Segment II of labial palp with distomedial process triangular with apex pointed; 2) thoracic gill absent at the base of forecoxa; 3) tarsal claws with 15–18 denticles; 4) paraproct with 3 pointed marginal spines; 5) terminal filament as long as cerci. Male adult: 1) anteronotal and metascutellar protuberance rounded; 2) terga of abdominal segments II – III and VI medially with remarkable dark marks; 3) forceps segment I without distomedial projection; 4) posterior margin of subgenital plate convex, posteriorly projected. Female: 1) anteronotal and metascutellar protuberance rounded; 2) abdominal terga with segments I – II and V medially with dark spots.

Comments. This species was described based on nymphs from Peru ( Traver & Edmunds, 1968). Thomas et al. (2003a) subsequently redescribed this species based on nymphs from French Guiana. Domínguez et al. (2002) recorded this species from Colombia. Salles & Serrão (2005) recorded it for the first time from Brazil (states of Goiás and Rondônia); Falcão et al. (2011) recorded this species from the State of Roraima; Boldrini et al. (2012) recorded this species from States of Piauí, Maranhão and Ceará; and Lima et al. (2012) described the adults from state of Pernambuco ( Brazil).

Distribution. COLOMBIA; FRENCH GUIANA; PERU; BRAZIL: states of Ceará, Goiás, Maranhão, Pernambuco, Piauí, Rondônia and Roraima. NEW RECORD: Espírito Santo.

Material examined. Two nymphs mounted on slides, BRAZIL, Espírito Santo, Sooretama, Rio São José , 19°07'33.1"S / 40°14'26.1"W, 4.x.2010, 24 m, Boldrini, R., Salles, F.F. & Nascimento, J.M.C. leg ( CZNC) .

FIGUES 13–18. Camelobaetidius juparana sp. nov., nymph. 13, labrum (left v.v., right d.v.). 14, left mandible. 15, right mandible. 16, hypopharynx. 17, maxilla. 18a, labium (left v.v., right d.v.). 18b, detail of setae of paraglossa.