Lestidae Calvert 1901
Creators: name: Mendoza-Penagos, Cristian Camilo
name: Pérez-Gutiérrez, León A.
name: Muzón, Javier
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Odonata
Lestidae

description: Key to species of Lestidae present in Colombia
Males
1 Total length> 55 mm; pterothorax as long as high; anterior side of quadrangle (a) about 1/2 of posterior side (b) (Fig. 3A)...........................................................................................(Archilestes) 2.
1’ Total length <50 mm; pterothorax longer than high; anterior side of quadrangle (a) about 1/3 of posterior side (b) (Fig. 3B)..............................................................................................(Lestes) 3.
2 (1) Medial portion of cerci convex, with 7–8 strong spines (Fig. 10A); paraprocts barely developed, without apophyses (Fig. 10B).................................................................................... A. chocoanus.
2’ Medial portion of cerci irregular, without spines (Fig. 10C); apophyses of paraprocts reaching basal portion of cerci (Fig. 10D)....................................................................................... A. grandis.
3 (1’) Cerci without basal tooth (Fig. 11E, I)..................................................................... 4
3’ Cerci with basal tooth (Fig. 11A, C, G, K, M, O)............................................................ 5
4 (3) Secondary curvature type II (Fig. 11F)........................................................ L. dichrostigma
4’ Secondary curvature type III (Fig. 11J)............................................................... L. helix
5 (3’) Paraprocts slightly developed, distal apophyses not reaching basal portion of cerci (Fig. 11A–F, I–J, O–P)............... 6
5’ Paraprocts well developed, distal apophyses exceeding basal portion of cerci (Fig. 11G–H, K–L, M–N)................. 8
6 (5) Secondary curvature type II (Fig. 11C–D); paraproct apophyses short (Fig. 11D)........................... L. curvatus
6’ Secondary curvature type I (Fig. 11B, P); paraproct apophyses reaching distal end of basal portion of cerci (Fig. 11B, P)... 7
7 (6’) Basal tooth acute, projected at 45°; medial portion straight without denticles (Fig. 11A).................. L. apollinaris.
7’ Basal tooth blunt, projected at 90°; medial portion with a row of denticles (Fig. 11O)...................... L. tenuatus.
8 (5’) Medial portion of cerci with an acute subapical tooth (Fig. 11M); total length <32mm ....................... L. minutus.
8’ Medial portion of cerci without an acute subapical tooth (Fig. 11G, K); total length> 35mm .......................... 9.
9 (8’) Tips of cerci and paraprocts not concave (Fig. 11G); paraprocts almost as long as cerci (Fig. 11H)............ L. forficula.
9’ Tips of cerci and paraprocts concave (Fig. 11K); paraprocts as long as 2/3 of cerci length (Fig. 11L)............. L. jerrelli.
Females
1 Total length> 55 mm; pterothorax as long as high; anterior side of quadrangle (a) about 1–2 of posterior side (b) (Fig. 3A) (Archilestes)......................................................................................... 2.
1’ Total length <50 mm; pterothorax longer than high; anterior side of quadrangle (a) about 1/3 of posterior side (b) (Fig. 3B) (Lestes)............................................................................................. 3.
2 Mesepisternum and mesepimeron entirely metallic green; metepisternum largely yellow; row of denticles in ovipositor valvae of same size.............................................................................. A. chocoanus.
2’ Metallic green confined to a small area of mesepisternum; row of denticles in ovipositor valvae increasing in size towards the apex........................................................................................ A. grandis.
3 Dorsal side of basal plate with apical process (AP) (Fig. 14F–G)................................................ 4.
3’ Dorsal side of basal plate without apical process (AP) (Fig. 14A–E, H)........................................... 5.
4 (3) Total length <32 mm .......................................................................... L. minutus.
4’ Total length> 35 mm ......................................................................... L. forficula.
5 Dorsal side of basal plate longer than ventral side; posterior and ventral sides entire (Fig. 14D, E)..................... 6.
5’ Dorsal side of basal plate almost the same length as ventral side; posterior and ventral sides divided in two sections (Fig. 14C, H)................................................................................................. 7.
6 (5) Cerci longer that S10 (Fig. 14D); posternum pale yellow with black apex on metapostepimeron (Fig. 12L)..... L. curvatus.
6’ Cerci shorter than S10 (Fig. 14E); posternum with two black dots (Fig. 13C).......................... L. dichrostigma.
7 (5’) A wide longitudinal black band occupies 2/3 of mesepisternum (Fig. 12J); posternum with two black central dots and two ovoid marks (Fig. 12I)........................................................................... L. apollinaris.
7’ A slender longitudinal green band occupies 1/3 of mesepisternum (Fig. 13J); posternum pale yellow without dark pattern (Fig. 13L)...................................................................................... L. tenuatus.
description: Published as part of Mendoza-Penagos, Cristian Camilo, Pérez-Gutiérrez, León A. & Muzón, Javier, 2024, A revision of Lestidae Calvert, 1901 (Odonata: Zygoptera) from Colombia, with the first record of Lestes dichrostigma Calvert, 1909, pp. 201-240 in Zootaxa 5415 (2) on page 206, DOI: 10.11646/zootaxa.5415.2.1, http://zenodo.org/record/10692884