Elga Ris, 1909

Mauffray, William F. & Tennessen, Kenneth J., 2019, A Catalogue and Historical Study of the Odonata of Ecuador, Zootaxa 4628 (1), pp. 1-265 : 157

Elga Ris, 1909

One of the two species described in this genus has been reported from Ecuador. For the complicated history of species identification in this genus, see the papers by Machado (1954, 1992). Adults are small, slender dragonflies ( Fig. 93 ) that frequent small forested streams.

Elga leptostyla Ris, 1911 . Publ. Recs. ECU: (H06), (P11), (H14); NA: * Tennessen (1996b, 1998). Also in BRA CEN, GUF, GUY, PER, SUR, VEN: (H06, P11); plus COL: (H06), (P&P); plus TTO: (P11).

Addl. Data. NA, Tena: 1 ♀, Río Chinchipino, 27 km E of Puerto Napo (-1.0728, -77.5864, 385m), 15 vi 1995, leg. & det. KJT [KJT]; 1 cop. pair, 3 ♂♂, same data but 13 xi 1997 [KJT]; 1 ♂, same data but 10 x 2009, leg. & det. JTJ [JTJ]; 1 ♀, same data but 22 vii 1996, leg. & det. SWD [FSCA]; OR, Francisco de Orellana: 1 ♀, P.N.Y., Yasuni Biological Research Sta. along trails and roads within 5 km of Res. Sta. (-0.6719, -76.3990, 245m), 18 vii 1996, leg. & det. WFM [FSCA]; 1 ♂, T.B.S, TLE Plot T-8, Sta. 10, Lot #2879, fogging canopy (-0.6319, -76.1442, 220-250m), 21 vii 2002, leg. T. Erwin, det. WFM [USNM]; 2 ♀♀, T. B.S., Quebrada Harpía (-0.6350, -76.1460, 217m), 5 xii 2012, leg. & det. ACRP [ACRP]; SU, Shushufindi : 1 ♀, stream 3 km NW of Shushufindi (-0.1664, -76.6917, 290m), 14 v 2009, leg. KJT, det. RWG [KJT].

Figures

FIGURE 93. Elga leptostyla ♀, BRAZIL, Río de Janeiro State, Reserva Ecologica de Guapiacu (REGUA), 50m from the stream at the edge of the trail, 15 i 2015; photo B. Guillon