Lestidae, Calvert, 1901

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, Zootaxa 5415 (2), pp. 201-240 : 206

publication ID

https://doi.org/ 10.11646/zootaxa.5415.2.1

publication LSID

lsid:zoobank.org:pub:859C14F9-FC21-4076-A212-3B4B6E35E8B7

DOI

https://doi.org/10.5281/zenodo.10707597

persistent identifier

https://treatment.plazi.org/id/03D88059-FF46-FF9F-8FA1-7C78638356E0

treatment provided by

Plazi

scientific name

Lestidae
status

 

Key to species of Lestidae View in CoL 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 View FIGURE 3 )...........................................................................................( Archilestes View in CoL ) 2.

1’ Total length <50 mm; pterothorax longer than high; anterior side of quadrangle (a) about 1/3 of posterior side (b) ( Fig. 3B View FIGURE 3 )..............................................................................................( Lestes View in CoL ) 3.

2 (1) Medial portion of cerci convex, with 7–8 strong spines ( Fig. 10A View FIGURE 10 ); paraprocts barely developed, without apophyses ( Fig. 10B View FIGURE 10 ).................................................................................... A. chocoanus View in CoL .

2’ Medial portion of cerci irregular, without spines ( Fig. 10C View FIGURE 10 ); apophyses of paraprocts reaching basal portion of cerci ( Fig. 10D View FIGURE 10 )....................................................................................... A. grandis View in CoL .

3 (1’) Cerci without basal tooth ( Fig. 11E, I View FIGURE 11 )..................................................................... 4

3’ Cerci with basal tooth ( Fig. 11A, C, G, K, M, O View FIGURE 11 )............................................................ 5

4 (3) Secondary curvature type II ( Fig. 11F View FIGURE 11 )........................................................ L. dichrostigma View in CoL

4’ Secondary curvature type III ( Fig. 11J View FIGURE 11 )............................................................... L. helix View in CoL

5 (3’) Paraprocts slightly developed, distal apophyses not reaching basal portion of cerci ( Fig. 11A–F, I–J, O–P View FIGURE 11 )............... 6

5’ Paraprocts well developed, distal apophyses exceeding basal portion of cerci ( Fig. 11G–H, K–L, M–N View FIGURE 11 )................. 8

6 (5) Secondary curvature type II ( Fig. 11C–D View FIGURE 11 ); paraproct apophyses short ( Fig. 11D View FIGURE 11 )........................... L. curvatus View in CoL

6’ Secondary curvature type I ( Fig. 11B, P View FIGURE 11 ); paraproct apophyses reaching distal end of basal portion of cerci ( Fig. 11B, P View FIGURE 11 )... 7

7 (6’) Basal tooth acute, projected at 45°; medial portion straight without denticles ( Fig. 11A View FIGURE 11 ).................. L. apollinaris View in CoL .

7’ Basal tooth blunt, projected at 90°; medial portion with a row of denticles ( Fig. 11O View FIGURE 11 )...................... L. tenuatus View in CoL .

8 (5’) Medial portion of cerci with an acute subapical tooth ( Fig. 11M View FIGURE 11 ); total length <32mm ....................... L. minutus View in CoL .

8’ Medial portion of cerci without an acute subapical tooth ( Fig. 11G, K View FIGURE 11 ); total length> 35mm .......................... 9.

9 (8’) Tips of cerci and paraprocts not concave ( Fig. 11G View FIGURE 11 ); paraprocts almost as long as cerci ( Fig. 11H View FIGURE 11 )............ L. forficula View in CoL .

9’ Tips of cerci and paraprocts concave ( Fig. 11K View FIGURE 11 ); paraprocts as long as 2/3 of cerci length ( Fig. 11L View FIGURE 11 )............. L. jerrelli View in CoL .

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 View FIGURE 3 ) ( 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 View FIGURE 3 ) ( 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 View FIGURE 14 )................................................ 4.

3’ Dorsal side of basal plate without apical process (AP) ( Fig. 14A–E, H View FIGURE 14 )........................................... 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 View FIGURE 14 )..................... 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 View FIGURE 14 )................................................................................................. 7.

6 (5) Cerci longer that S10 ( Fig. 14D View FIGURE 14 ); posternum pale yellow with black apex on metapostepimeron ( Fig. 12L View FIGURE 12 )..... L. curvatus .

6’ Cerci shorter than S10 ( Fig. 14E View FIGURE 14 ); posternum with two black dots ( Fig. 13C View FIGURE 13 ).......................... L. dichrostigma .

7 (5’) A wide longitudinal black band occupies 2/3 of mesepisternum ( Fig. 12J View FIGURE 12 ); posternum with two black central dots and two ovoid marks ( Fig. 12I View FIGURE 12 )........................................................................... L. apollinaris .

7’ A slender longitudinal green band occupies 1/3 of mesepisternum ( Fig. 13J View FIGURE 13 ); posternum pale yellow without dark pattern ( Fig. 13L View FIGURE 13 )...................................................................................... L. tenuatus .

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Odonata

Family

Lestidae

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