Zelusia principalis Lugo-Ortiz & McCafferty 1998

Nieto, Carolina, Grillet, Maria-Eugenia, Domínguez, Eduardo, Molineri, Carlos & Guerrero, Edmundo, 2011, The Family Baetidae (Insecta: Ephemeroptera) from Venezuelan Guayana’s Uplands, Zootaxa 2808, pp. 1-17: 16

publication ID

10.5281/zenodo.277093

persistent identifier

http://treatment.plazi.org/id/03B0801C-F270-FF8E-8AB7-FE6BFA96FBFD

treatment provided by

Plazi

scientific name

Zelusia principalis Lugo-Ortiz & McCafferty 1998
status

 

Zelusia principalis Lugo-Ortiz & McCafferty 1998 

( Figs. 67–75View FIGURES 67 – 75)

Taxonomy. This species, described based on nymphs, can be distinguished by the following combination of characters: 1) labrum medially raised, dorsally with a row of long robust subapical setae on either side of midline ( Figs. 67View FIGURES 67 – 75 a and b); 2) mandibles with incisors fused ( Figs. 68–69View FIGURES 67 – 75); 3) left mandible with prostheca robust ( Fig. 68View FIGURES 67 – 75); 4) right mandible with prostheca bifid ( Fig. 69View FIGURES 67 – 75); 5) lingua rounded with tuft of setae apically ( Fig. 70View FIGURES 67 – 75); 6) maxillae with palpi two-segmented and longer than galea-lacinia ( Fig. 71View FIGURES 67 – 75); 7) glossae subequal in length to paraglossae, the last one subquadrate and with 2 rows of spine-like setae, segment II of palpi without lateral projection ( Fig. 72View FIGURES 67 – 75); 8) legs elongate, dorsal edge of femora with a row of spine-like setae ( Fig. 73View FIGURES 67 – 75); 9) tarsal claws with a row of denticles ( Fig. 74View FIGURES 67 – 75); 10) hind wing pads absent; 11) terga dorsal surface with scales, posterior margin with pointed projections ( Fig. 75View FIGURES 67 – 75).

Distribution. Brazil, Colombia and Venezuela

Material examined. One nymph: Tarotá river, 5 º 49 ´N, 61 º 25 ´W, 1324 m, 18 / 03/ 2006, EG, AMO, and MEG cols. One nymph: stream close to Paují locality, 4 º 36 ´N, 61 º 5 ´W, 942 m, 17 / 3 / 2006, EG, AMO, and MEG cols. One nymph: Kako-Parú stream, 4 º 54 ´N, 61 º 5 ´W, 913 m, 25 / 11 / 2005, EG, AMO, CA and MEG cols. Two nymphs: river close to Paují locality, 4 º 29 ´N, 61 º 34 ´W, 917 m, 17 / 3 / 2006, EG, AMO, and MEG cols. One nymph: Parupa river, 5 º 40 ´N, 61 º W, 1281 m, 28 / 6 / 2007, EG, AMO, CA and MEG cols. One nymph: Kauí stream, 5 º 28 ´N, 61 º 16 ´W, 1196, 24 / 11 / 2005, EG, AMO, CA and MEG cols. Material housed at IMLAbout IML.

IML

Instituto Miguel Lillo

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Ephemeroptera

Family

Baetidae

Genus

Zelusia