Archaeopodagrion armatum sp. nov. from Ecuador (Odonata: Megapodagrionidae)

Archaeopodagrion armatum sp. nov. is described and illustrated (holotype ♂ Ecuador, Zamora Chinchipe Prov., forest S of Zamora (4°07′18″S, 78°58′22″W), 02 iv 2008, leg. KJT; in FSCA). The new species is distinct from A. bicorne and A. bilobatum by the pair of highly recurved processes on the hind margin of the prothorax of both sexes,…

Two new species of Argiolestes from Papua New Guinea (Odonata: Megapodagrionidae)

Two new species of the New Guinean megapodagrionid genus Argiolestes are described: A. tuberculiferus (holotype ♂ Papua New Guinea, Simbu Province, 6°43′S, 145°05′E; 900 m, 14 xii 2003) and A. verrucatus (holotype ♂ Papua New Guinea, Sandaun Province, 4°48′S, 141°39′E; 1,700-2,100 m, 08 ix 2004). We further provide additional descriptions and ecological data of new…

Taxonomy, behaviour, and habitat of Mesopodagrion and Sinocnemis. Notes on Old World Megapodagrionidae 3 (Odonata)

Published records of Mesopodagrion are reviewed and the distributions of M. tibetanum and M. yachowensis are given. Sinocnemis henanese is considered a junior synonym of S. yangbingi. Based on morphological and behavioural characters Sinocnemis is removed from Platycnemididae and placed in Megapodagrionidae. Species of Sinocnemis show a general resemblance to species of Mesopodagrion but it…

Heteragrion makiritare sp. nov with descriptions of hitherto unknown females and larvae of other species from Venezuela (Odonata: Megapodagrionidae, Lestidae)

Heteragrion makiritare sp. nov. is described from two males from the Pantepui region – holotype: Venezuela, Amazonas State, Marahuaka, Sima (3°43′N, 65°31′W), 1,140 m a.s.l., MIZA, no. 17250. It belongs in the species group whose paraprocts are absent in the male sex. The identity of H. macilentum is elucidated by examining its lectotype and a…

Generic revision of Argiolestidae (Odonata), with four new genera

The subfamily Argiolestinae is raised to family level to include all zygopteran genera in which the gills of the larvae are flat and held in a horizontal plane. A diagnosis of the family is given and characters for both adults and larvae are presented. The family is divided into two subfamilies based on characters in…