AQUATIC INSECTS IN THE ADIRONDACKS 



501 



Somatochlora linearis Hagen 



1861 Cordulia linearis Hagen, Synopsis Neur. N. Am . p. 137 



1893 Somatochlora linearis Calvert, Am. ent. soe. Trans. 20:253 (de- 

 scription) 



1897 Somatochlora linearis Calvert, N. Y. ent. soc. Jonr. 5 :'95 (listed 

 from Oswego co., and Grand Island N. Y.) 



1900 Somatochlora lateralis Williamson, Dragon flies In d. p. 313 (de- 

 scription) 



A species I have not met with. Its nymph is unknown. 



Fig. 25 Somatochlora linearis Hag. end of abdomen ; g and h of male ; i of female 



Somatochlora walshii Scudder 



1866 Cordulia walshii Scudder, Bost. soc. nat. hist. Proc. 10 : 217 



1897 Somatochlora walshii Calvert, N. Y. ent. soc. Jour. 5:95 (listed 

 from Keene Valley) 

 Nymph unknown. 



Fig. 26 Somatochlora walshii Scudd., s dorsal, and t lateral views of appendage of the male 



Somatochlora tenebrosa Say 



1839 Libellula tenebrosa Say, Acad. nat. sci. Phil. Jour. 8:19 

 1861 Cordulia tenebrosa Hagen, Synopsis Neur. N. Am. p. 137 

 1895-97 Somatochlora tenebrosa Calvert, N. Y. ent. soc. Jour, 3:46 



and 5 : 93 (listed from New York, Clarence and Oswego co.) 

 1900 Somatochlora tenebrosa Williamson, Dragon flies Ind. j). 314 



(description) 



Nymph unknown. 



