Agriocnemis pygmaea (Rambur, 1842) Figs. 1, 4, 7, 37, 45, 47, 54, 60, 63, 65, 67, 69, 72–73 Agrion pygmaeum Rambur (1842): 278 [Holotype female, lost] Agriocnemis australis Selys (1877): 155 [original description] Agriocnemis velaris Hagen in Selys (1882): 31 [original description] Agriocnemis hyacinthus Tillyard 1913: 457 [original description] Agriocnemis pygmaea Selys (1877): 146; Fraser (1933): 398, figs. 163, 171 [adult description]; Kumar (1973): 93, figs. 103–113 [larval description]; Ishida (1996): 192, figs. 31, 268, 471, 852, 945 [larval description]; Orr (2005): 38 Specimens examined. THAILAND: 2 reared specimens; 1 ♂ and 1 ♀, 12/III/2017, Kasetsart University (13°50′59″ N 100°34′26″ E, altitude 4.48 m), Bangkok province, T. Saetung leg. 4 last stadium larvae; 1 ♂ and 1 ♀ 6/X/2018, Ban Na district (14°16′41′′ N, 101°00′57′′ E, altitude 8.6 m), Nakhon Nayok province, T. Saetung & B. Boonsoong leg. Diagnosis. The larvae of A. pygmaea can be distinguished from known species based on the following combination of characteristics: 1) occiput with numerous dark spots; each spot bears a spiniform seta on dorsal view (Fig. 63); 2) pronotum with protrusion on the posterolateral side, forming a rounded shape (Fig. 65); 3) margin of compound eyes with a row of numerous spiniform setae on the ventral view (Fig. 67); and 4) S3–S4 covered with long simple setae (Fig. 69).

Published as part of Saetung, Tosaphol & Boonsoong, Boonsatien, 2019, A review of genus Agriocnemis larva (Odonata: Coenagrionidae) from Thailand including a description of the final stadium larva of Agriocnemis minima Selys, 1877 with supporting molecular (COI) data, pp. 579-599 in Zootaxa 4711 (3) on pages 585-586, DOI: 10.11646/zootaxa.4711.3.9, http://zenodo.org/record/3586717