AQUATIC IXSECTS IX NET^' YORK STATE 489 



PLATE IS 



Zygoptera 



Photos from alcoholic specimens by Lee C. Stiles 



1 and 2 A m p h i a g i" i o n s a u c i u m Burm. male aud female 



3 and 4Nehallennia ireue Hagen, male aud female 



-5 and 6Anomalagi'ion hastatum Say, male aud female 



7 Nymph of A. s a u c i u m 



8 Wing of Lestes rectangular is Say 



PLATE 11> 



Enallagma 



Male abdominal appendages of New Yorli species 



a E. a n u e X u m . 6 B. h a g e u i . c E. g e m i u a t u m . cL E. 

 p i s c i n a r i u m . e E. d i v a g a u s . f E. e x s u 1 a n s . g E. 

 e b r i u m . 7( E. c a r u u c u 1 a t u lu . / E. civile. ; E. a s p e r - 

 sum. /.■ E. t r a V i a t u m . / E. a u t e u u a t u m . vi E. s i g n a - 

 cum. n E. p 1 1 u t u m . 



List of abbreviations for plates 20-31 



a Cocoons from which adults have emerged 



al Alimentarj^ canal 



as Anterior sclerite 



ast Anterior sternal setae 



at Anterior tergal setae 



hli Breathing holes" 



c Cuticle 



ccp Cavity suTrounding the cuticular pocket 



cp Cuticular pocket 



cs Caudal spine 



C'ss Holes made by the caudal spines 



d Dorsum 



da Dorsal apodeme 



dc Dorsal cavity 



ds Distal setae of the labrum 



e Holes eaten in the stems by larvae 



ec Empty cavities 



ex Location supposed opening in the paired dorsal cavities 



h Hypo derm is 



hep Hypodermis of the cuticular pocket 



f.s' Infraspiracular setae 



I Lamellae 



1(J Leg 



hi Lumen 



Ir Lumen respiratory system 



Is Lateral setae 



m Muscle 



md Median setae of the labrum 



m(j Marginal setae of the labi'um 



ms Meso thorax 



int Met a thorax; 



•o Cocoons 



