144 



Smith and Pritchard: Odonata 



-lj 



Fig. 4:72. Argia emrna, naiad (Kennedy, 1915). 



the status of A. salaasi Valle 1942 described from 

 California. Although Gloyd (1941) showed A. kurilis 

 Hagen 1865 to be a prior name for A. vivida, we have 

 adhered to the well-known latter name. 



Key to California Species 

 Males 



1. Mesothorax with black middorsal stripe a very thin line 

 (British Columbia and Utah to California) (fig. 4:73d) 



emrna Kennedy 1915 



— Mesothorax with black middorsal stripe wide 2 



2. Mesothorax with humeral stripe not forked, wide on 

 proximal part and with small posterior end (midwestern 

 U.S., British Columbia to Mexico) (fig. 4:73c) 



vivida Hagen 1865 



— Mesothorax with humeral stripe forked or else broad 

 mostly throughout 3 



3. Stigma of wing surmounting one cross vein (fig. 4:71a) 



4 



— Stigma of wing surmounting more than one cross vein 

 (Texas to California and Mexico) (fig. 4:73a) 



moesta moesta (Hagen) 1861 



4. Abdominal segments 4 to 6 mostly black dorsally ... 5 



— Abdominal segments 4 to 6 mostly pale dorsally .... 6 



5. Inferior appendages bifid (eastern U.S. to southern 

 California and Mexico) (fig. 4:736) 



sedula (Hagen) 1861 



— Inferior appendages not bifid (Colorado to California) 



i alberta Kennedy 1918 



6. Inferior appendages distinctly bifid (Arizona, California) 



hinei Kennedy 1918 



— Inferior appendages not bifid (California, Mexico) 



nahuana Calvert 1901 



Fig. 4:73. Male abdominal appenda 

 b, sedula; c, vivida; d, emma. (left) I 

 view (Walker, 1953). 



/o. a, moesta 

 (right) dorsa 



