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: 497

publication ID

https://doi.org/10.11646/zootaxa.4242.3.4

publication LSID

lsid:zoobank.org:pub:4FCEE7BF-C562-4550-9D42-F7B86678DBBB

persistent identifier

http://treatment.plazi.org/id/891587DD-FFC2-9B25-D2A2-FED7FA2A65B0

treatment provided by

Plazi

scientific name

Platystigma
status

 

Key to females of Platystigma  

(females of P. buckleyi   , P. humaita   , P. minimum   and P. quadratum   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. 27 View FIGURES 25 – 28 , 35 View FIGURES 33 – 36 )................................................................................... quadratum   group... 2

2 Posterior prothoracic lobe with lateral and median portions clearly separated by deep incision ( Fig. 12 View FIGURES 8 – 13 ).......... P. pronoti  

- Posterior prothoracic lobe with lateral and median portions not clearly separated ( Fig. 9 View FIGURES 8 – 13 )........................... 3

3 Ventral border of lateral valve of ovipositor with a row of well-developed teeth increasing in size distad ( Fig. 65 View FIGURES 62 – 65 )..... P. sp.

- Ventral border of lateral valve of ovipositor with a row of very small denticles of equal sizes.......................... 4

4 Row of denticles originating directly from ventral border of lateral valve of ovipositor ( Fig. 63 View FIGURES 62 – 65 )............... P. astictum  

- Row of denticles originating from small, narrow, sclerotized plate on ventral border of lateral valve of ovipositor ( Fig. 64 View FIGURES 62 – 65 ).............................................................................................. P. martinezi