Camelobaetidius leentvaari Demoulin 1966

Camelobaetidius leentvaari Demoulin 1966 (Figs. 4, 37–46) Taxonomy. The specimens collected here are placed in C. leentvaari, presenting a single difference: tarsal claws with 28 denticles instead of 17–23. This species can be distinguished from the other species of the genus by the following combination of characters: 1) labrum, dorsally with a subapical row of setae (Fig. 37); 2) mandibles with setae between prosthecae and molae (Figs. 38–39); 3) lingua subequal to superlinguae (Fig. 40); 4) maxillary palpi shorter than galea-lacinia (Fig. 41); 5) segment II of labial palpi rounded (Figs. 42 a and b); 6) coxal gills small; 7) prosternum with single, medial protuberance; 8) femur I with a tubercle on ventral margin (Fig. 43); 9) apical margin of tibia with an excavation and a patch of short spines (Fig. 43); 10) tarsal claws with 17-28 denticles (Fig. 44); 11) posterior margin of terga with rounded projections (Fig. 45); 12) paraprocts as in Fig. 46; 14) terminal filament subequal in length to abdominal segment X. Distribution. Brazil, Surinam and Venezuela. Material examined. Two nymphs: Kamoirán river, 5 º 37´N, 61 º 21´W, 1313 m, 20 / 03/ 2006, EG, AMO, and MEG cols. Material housed at IML.Published as part of Nieto, Carolina, Grillet, Maria-Eugenia, Domínguez, Eduardo, Molineri, Carlos & Guerrero, Edmundo, 2011, The Family Baetidae (Insecta: Ephemeroptera) from Venezuelan Guayana's Uplands, pp. 1-17 in Zootaxa 2808 on page 8, DOI: 10.5281/zenodo.27709