Pseudagrion microcephalum (Rambur, 1842) Selected references: Pseudagrion microcephalum (Rambur, 1842);— Ris 1915: 13 (first record from Sumatra: Aceh (Simeulue Islands));— Dow et al. 2018: 12 (first records from Riau). Specimens collected. M2c: 2 ♂♂ (RER20 _ COE132–133; RER), 16 i 2020; M2e: 1 ♂ (RER23 _ COE112; RER), just before dusk, 6 ii 2023; M3a: 1 ♂ (RER20 _ COE137; UMRI), 17 i 2020; M3b: 3 ♂♂ (RER20 _ COE134–136; BRIN), 17 i 2020; M3e: 1 ♂ (RER20 _ COE146; UMRI), 24 i 2020; M5a: 2 ♂♂ (RER20 _ COE138–139; RER), 20 i 2020; 2 ♂♂ (RER20 _ COE140–141; BRIN), 20 i 2020; M6: 2 ♂♂ (RER20 _ COE144–145; BRIN), 23 i 2020; M7e: 3 ♂♂ (RER23 _ COE113–115; BRIN), 19 ii 2023; M7g: 1 ♂ (RER20 _ COE143; RER), 23 i 2020; 3 ♂♂ (RER23 _ COE117–119; RER), 19 ii 2023; M7j: 1 ♂ (RER23 _ COE116; UMRI), 19 ii 2023; M9a: 1 ♂ (RER20 _ COE142; UMRI), 21 i 2020; M11a: 1 ♂, 1 ♀ (RER23 _ COE245–246; UMRI), in tandem, 11 vi 2023; 1 ♂ (RER23 _ COE247; BRIN), 11 vi 2023; M13a: 3 ♂♂ (RER23 _ COE248–250; UMRI), 18 vi 2023; M13b: 1 ♂ (RER23 _ COE251; BRIN), 18 vi 2023; 2 ♂♂ (RER23 _ COE322–323; BRIN), 29 ix 2023; P2a: 1 ♂ (RER23 _ COE236; BRIN), 30 v 2023; P4a: 3 ♂♂ (RER23 _ COE237–239; UMRI), 31 v 2023; 2 ♂♂ (RER23 _ COE240–241; BRIN), 31 v 2023; 1 ♂, 1 ♀ (RER23 _ COE242–243; UMRI), in tandem, 2 vi 2023; 1 ♂ (RER23 _ COE244; BRIN), 2 vi 2023; P5a: 2 ♂♂ (RER23 _ COE252–253; UMRI), 21 vi 2023; P5b: 1 ♂ (RER23 _ COE254, BRIN), 21 vi 2023; P5d: 2 ♂♂ (RER23 _ COE255–256; UMRI), 21 vi 2023; P6a: 1 ♂ (RER23 _ COE319; BRIN), 22 ix 2023; P6b: 1 ♂, 1 ♀ (RER23 _ COE320–321; UMRI), in tandem, 23 ix 2023. Remarks. This widespread species is common throughout the Kampar Peninsula.

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 30, DOI: 10.11646/zootaxa.5732.1.1, http://zenodo.org/record/18019483