AQUATIC INSECTS IX NEW YORK STATE Joo 



Enallagma durum Hagen 



1S61 A g 1" i o n d n r n m Hagen, Synopsis Neur. N. Am. p. 87 

 1893 En al 1 ag 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 Xew York State. Its 

 nymph is unknown. 



Enallagma annexum 



Plate 19, a 

 18G1 A g r i n annexum Hagen, Synopsis Neur. N. Am. p.S7 

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



Ent. Soc. 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 (cliaracters and distribution) 



A species with northward distribution. It was collected at 

 Saranac Inn throughout July. 



Enallagma hageni Walsh 



Plate 19, b 

 1802 A g r i o n n. sp. Walsh, Acad. Nat. Sci. Phila. Proc. p.3SG 

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

 1893 En all agm a 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, Lal^e Bluff, Lalie Pleasant, Albany 

 and Squaw island) 

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

 19fX) Enallagma hageni Williamson, Dragon Flies Ind. p.269, 

 pl.l5. 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, 1S99; 

 Saranac Inn X. Y. July 15, 1900. 



