Months in which Imago is on the Wing. 



Leiicorrhinia ditbia . . 

 Sympetruin striolatiim 

 foils colo?nbii 

 ,, flaveolum 



,, sangiiineum 



,, scoticiim 



Lihellula dcpressa . . 



,, quadrimaculata 



,, fulva 



Ortltctruin ctsrulescens 

 cancellatum 

 Somatochlora metallica 



,, arciica 



Cordulia crnea . . 

 Oxygastra curtisii . . 

 Gomphus vulgatissimus 

 Cordiilegastcr aniinlatiis 

 Anax imperator 

 Brachytron pratense 

 ^schna mixta . , 

 ,, ccerulea 

 ,, jiincea 

 ., cyanea 



,, gratidis 

 ,, isosceles 

 Calopteryx virgo 



,, splendens 



Lestes dryas 



,, spoiisa 

 Platychnemis pennipes 

 Erythroniina naias . . 

 Pyn'hoso))ia nvniphula 



,, tenellum 



Ischniira piiinilio 

 ,, elegaiis 



Agrion piilchelhtm . . 

 ,, pucUa . . 



mcrcurialc . . 

 Enallagma cyaihigeriini 



