

Memoirs 



OF THE 



American Entomological Society 



Number 3 



A VENATIONAL STUDY OF THE SUBORDER ZYGOPTERA 

 (ODONATA) WITH KEYS FOR THE IDENTIFICATION 



OF GENERA 1 



By Philip A. Munz 

 CONTENTS 



PAGE 



I. Introduction ^ 



Acknowledgements 3; 



Nomenclature of wing-veins 4- 



Explanation of figures 7- 



II. A Discussion of the Phylogeny 7- 



The Anisozygoptera 7- 



The Zygoplera g-, 



The A grionidae q 



The Polythorinae 10 



TheAgrioninae 1 1 



The Epallaginae 12 



The Disparocyphinae 13 



The Coenagrionidae 13, 



The Lestinae 15, 



The Lestoidinae i j 



The Megapodagrioninae 17 



The Pseudostigmatinae 20^ 



The Coenagrioninae 21 



The Protoneiirinae 24. 



1 A Contribution from the Entomological Laboratory of Cornell University. 



MEM. AM. ENT. SOC, 3. 



