AQUATIC INSECTS IN NEW YORK STATE 253 



Enallagma durum Hagen 



1S61 A g r i o n durum Hageu, Synopsis Neur. N. Am. p.87 

 1893 E n a 1 1 a g m a durum Calvert, Am. Ent. Soc. Trans. 20:23C, 

 pl.3, fig.32 



A species that is apparently not common in its range. It is 

 recorded by Dr Calvert from Rhode Island and New Jersey, but 



Fig. 11 Lateral view of end of abdomen ofEnallagma durum, $ 



it has not yet, apparently, been taken in New York State. Its 

 nymph is unknown. 



Enallagma annexum 

 Plate 19, a 

 1S61 Agrion annexum Hagen, Synopsis Neur. N. Am. p.87 

 1893 Enallagma cyathigerum, var. annexum Calvert, N, Y. 



Ent. See. Jour. 3:43 (listed from Keeseville and Ithaca) 

 1900 Enallagma annexum Williamson, Ent. News. 11:454, pl.9, 

 fig.5, 9, 10 and text figure (characters and distribution) 



A species with northward distribution. It was collected at 

 Saranac Inn throughout July. 



Enallagma hageni Walsh 

 Plate 19, 6 



1862 Agrion n. sp. Walsh, Acad. Nat. Sci. Phila. Proc. p.3S6 



1863 Agrion Hageni Walsh, Ent. Soc. Phila. Proc. 2:234 



1893 Enallagma hageni Calvert, Am. Ent. Soc. Trans. 20:237, 



pl.3, fig.22, 23 

 1895-97 Enallagma hageni Calvert, N. Y. Ent. Soc. Jour. 3:44 and 

 5:92 (recorded from Ithaca, Lake Bluff, Lake Pleasant, Albany 

 and Squaw island) 



1899 Enallagma hageni Kellicott. Odou. Ohio, p.39, fig.lO 



1900 Enallagma hageni Williamson, Dragon Flies Ind. p.269, 



pl.15. fig.l, 2 



A species widely distributed in the eastern United States, and 

 often locally very abundant. It is common at Ithaca about the 

 Cascade pond during July, and about the hatchery grounds at 

 Saranac Inn during the same month. I have bred the species at 

 the following dates and places: Lake Forest 111. May 31, 1899; 

 Saranac Inn N. Y. July 15, 1900. 



