Platystigma

Machado, Angelo B. M. & Soldati Lacerda, Déborah S., 2017, Revalidation of Platystigma Kennedy, 1920, with a synopsis of the quadratum species group and the description of three new species (Odonata: Pseudostigmatidae), Zootaxa 4242 (3), pp. 493-516 : 496-497

publication ID	https://doi.org/ 10.11646/zootaxa.4242.3.4
publication LSID	lsid:zoobank.org:pub:4FCEE7BF-C562-4550-9D42-F7B86678DBBB
DOI	https://doi.org/10.5281/zenodo.6042195
persistent identifier	https://treatment.plazi.org/id/891587DD-FFC5-9B25-D2A2-F9C5FA2A67D8
treatment provided by	Plazi
scientific name	Platystigma
status

Treatment

Key to males of Platystigma

(male of P. pronoti unknown)

1 Hw with black or dark brown band. Species known only from Colombia, Peru and Venezuela............... jocaste group

- Hw without black or dark brown band. Species of Northern and Southeastern Brazil, Bolivia, Ecuador and Peru ( Figs. 25, 27 View FIGURES 25 – 28 , 31, 32 View FIGURES 29 – 32 , 35 View FIGURES 33 – 36 )........................................................................... quadratum group ...2

2 Border of Hw with subapical elevation ( Fig. 25 View FIGURES 25 – 28 ).............................................................3

- Border of Hw without subapical elevation ( Figs. 27 View FIGURES 25 – 28 , 31, 32 View FIGURES 29 – 32 , 35 View FIGURES 33 – 36 )............................................... 5

3 Fw with pale apical area....................................................................... P. martinezi

- Fw without pale apical area............................................................................ 4

4 Hw with pale apical area........................................................................ P. buckleyi

- Hw without pale apical area ( Fig. 25 View FIGURES 25 – 28 ).............................................................. P. astictum

5 Small species (Hw 32, abdomen 48). Cleft of anterior lamina with elongated medial border sclerotized apically ( Fig. 40 View FIGURES 37 – 41 ). Penis segment 3 subrectangular ( Fig. 48 View FIGURES 42 – 51 )............................................................... P. minimum

- Larger species (Hw 40–48, abdomen 52–65). Cleft of anterior lamina without elongated medial border. Penis segment 3 sub- quadrate ( Figs. 46, 50 View FIGURES 42 – 51 )................................................................................. 6

6 Pale apical area present in Fw and Hw ( Fig. 31 View FIGURES 29 – 32 )..................................................... P. humaita

- Pale apical area present only in Hw ( Fig. 32 View FIGURES 29 – 32 )...................................................... P. quadratum