Elattoneura aurantiaca (Selys, 1886) Selected references: Elattoneura aurantiaca (Selys, 1886);— Lieftinck 1937: 80 (first records from mainland Sumatra (Lampung) and Belitung);— Dow et al. 2018: 9 (first record from Riau). Specimens collected. M1b: 1 ♂ (RER20 _ PCD18; RER), 18 i 2020; 1 ♂, 1 ♀ (RER20 _ PCD25–26; BRIN), 22 i 2020; M1d: 3 ♂♂ (RER20 _ PCD12–14; RER), 15 i 2020; 1 ♂, 1 ♀ (RER20 _ PCD15–16; BRIN), tandem pair, 15 i 2020; M1e: 1 ♂ (RER20 _ PCD28; RER), 26 i 2020; M1f: 1 ♂ (RER20 _ PCD19; BRIN), 19 i 2020; 1 ♂, 1 ♀ (RER23 _ PCD22–23; BRIN, UMRI), tandem pair, 17 ii 2023; 1 ♂ (RER23 _ PCD24; UMRI), 17 ii 2023; M1m: 2 ♂♂ (RER23 _ PCD18–19; BRIN), 16 ii 2023; 1 ♂ (RER23 _ PCD97; BRIN), 1 x 2023; M1n: 1 ♂ (RER23 _ PCD20; UMRI), 16 ii 2023; 1 ♂ (RER23 _ PCD21; UMRI), 16 ii 2023; M1o: 1 ♂ (RER23 _ PCD98; UMRI), 1 x 2023; M2a: 1 ♂ (RER20 _ PCD17; UMRI), 16 i 2020; 1 ♂ (RER23 _ PCD99; RER), 2 x 2023; M4e: 1 ♂ (RER23 _ PCD17; RER), 13 ii 2023; 1 ♂ (RER23 _ PCD94; BRIN), 27 ix 2023; M5a: 3 ♂♂ (RER20 _ PCD20–22; UMRI), 20 i 2020; 2 ♂♂ (RER20 _ PCD23–24; RER), 20 i 2020; 1 ♂ (RER20 _ PCD27; UMRI), 25 i 2020; 2 ♂♂ (RER23 _ PCD13–14; BRIN), 9 ii 2023; 2 ♂♂ (RER23 _ PCD15–16; UMRI), 9 ii 2023; 2 ♂♂ (RER23 _ PCD72–73; BRIN), 17 vi 2023; 1 ♂ (RER23 _ PCD96; RER), 28 ix 2023; M5b: 1 ♀ (RER23 _ PCD74; UMRI), 17 vi 2023; M5e: 1 ♀ (RER23 _ PCD71; RER), 6 vi 2023; M5f: 1 ♂, 1 ♀ (RER23 _ PCD69–70; UMRI), tandem pair, 6 vi 2023; M5g: 1 ♂ (RER23 _ PCD95; UMRI), 28 ix 2023; M12a: 1 ♂ (RER23 _ PCD75; RER), 18 vi 2023; P1b: 1 ♂ (RER23 _ PCD66; RER), 31 v 2023; P1c: 2 ♂♂ (RER23 _ PCD67–68; BRIN), 2 vi 2023. Remarks. An abundant species on streams in low pH swamp forest, where it typically spreads out into flooded forest around the stream. Although no specimen was collected actually on the lower part of Sungai Serkap (M1a), it was frequently seen there.

Published as part of Dow, Rory A., Gesriantuti, Novia, Iqbal, Muhammad, Lupiyan-Ingdyah, Pungki, Periera, John F., Zulya, Shinta O. & Sanders, Bradford M., 2025, Odonata of the Kampar Peninsula: the first systematic survey of Odonata in Peat Swamp Forest in Sumatra, pp. 1-70 in Zootaxa 5732 (1) on page 20, DOI: 10.11646/zootaxa.5732.1.1, http://zenodo.org/record/18019483