Heteragrion demarmelsi sp. nov., with taxonomic notes on Colombian Heteragrion species (Odonata: Heteragrionidae) Author Stand-Pérez, Miguel Ángel Author Bota-Sierra, Cornelio Andrés Author Pérez-Gutiérrez, León Andrés text Zootaxa 2019 2019-06-24 4623 1 90 112 journal article 26419 10.11646/zootaxa.4623.1.6 87d8415f-2b8a-4b1c-b85b-e7417105206a 1175-5326 3253592 2672F05F-81A5-413D-AB13-5CD90F9A0480 Heteragrion valgum Donnelly, 1992 ( Figs. 6D , 11 G–I, 20) Material examined: UARC : 1 ♂ 10 December 2005 , Chocó Department , Acandí Municipality , Vereda Rufino , Quebrada Capitancito 8.5787 , -77.3109 30m a.s.l. , Leg : C. Botero . ANDES–E : Same data but in 5 ♂♂ . Remarks : This species was described by Donnelly (1992) from Panama . Here, we report it for the first time from Chocó Department in Colombia . Males are small (abdomen close to 35mm ), and have distal abdominal segments (S7–S10) completely orange, cerci strongly curved in dorsal view ( Fig. 11G ) without ventrobasal convexity ( Fig. 11H ) and with a distance between bifurcation of medial process and tip around one fourth the length of the cerci ( Fig 11G ). We did not examine the female.