76 THE CANADIAN ENTOMOLOGIST. 



THE ODONATA OF ITHACA, N. Y. 



BY NATHAN BANKS, SEA CLIFF, N. Y. 



Most of the species recorded below were collected by the writer in the 

 vicinity of Ithaca, N. Y., during the years 1888 and 1889. I have 

 seen the collections of others, and have found in them some forms that 

 I had not collected. I have also examined the collection of Cornell 

 University, and found several species not previously seen from the locality. 

 This list is not complete, as undoubtedly more species will be found in the 

 Cordulidse and Gomphidee. I have added a few notes on certain species 

 and genera, which I thought opportune : — 



CALOPTERYGIDiE. 



Caloptei'yx maculata, Beaur. Common about streams during spring 

 and summer. 



Hetcp-rma americana, Fabr. A specimen was taken during the past 

 summer by a Mr. Salant, 



Agrionid^. 



Lestes hamata, Selys. Uncommon, August. 



Lestes rectangularis, Say. Common during July and August. 



Lestes disjuficta, Selys. Uncommon, August. 



Lestes forcipata, Ramb. Not common, June. 



Argia violacea, Hagen. Common, July. 



Argia putrida, Hagen. Common, summer. 



Ischnura verticalis. Say. Common, July, August. 



Amphiagrion saucium, Burm. One specimen, 



Nehalennia if-ene, Hagen. Uncommon, July. 



Erythromma condita, Hagen. One specimen. 



Enallagma exsulans, Hagen. Quite common, July, August. 



Enallagma Hageni, Walsh. A specimen in the Cornell Univ. collec- 

 tion is probably this species. 



Efiailagma ebria, Hagen. This has the superior appendages of ^ 

 deeply bifid, more so than in E.civile,i\\e upper branch no longer but a little 

 larger than the lower. A black spot above on segment two, and the black 

 of segment three confined to the tip. Two specimens. 



Efiallagffta a?inexa, Hagen. The c^ has the apical black spot on 

 segment two, and the apical halves of three, four and five are black ; 

 eight and nine are blue. The superior appendages rounded, blunt at 

 apex, inferior pointed, as long as the superior. Two specimens, August. 



