NO.2107. DRAGOWFLTE^, WASHiyCTOy AXD OREaoy— KENNEDY. 345 



32. SYMPETRUM CORRUPTUM (Hagen). 



Tills species v/as the iirst Si/mpefruni on the wing, ai)i3earing the 

 first week in June and lasting till frost. It was never abundant, 

 seldom more than a half dozen specimens being seen on any single 

 day, but it is met with on all ponds and streams. 



33. SYMPETRUM COSTIFERUM (Hagen). 



This is the most abundant Sym'petrum about the alkaUne ponds. I 

 have seen thousands of this species on a telephone wire for a stretch 

 of a mile and aU facing the same way. 



34. SYMPETRUM OBTRUSUM (Hagen). 



I have only two male specimens of the white-faced form of this 

 species. These were taken on Satus Creek. 



35. SYMPETRUM OBTRUSUM (Hagen) var. DECISUM (Hagen). 



Tliis is abundant about the ponds, but more abundant in the upper 

 valley than about Sunnyside. 



36. SYMPETRUM PALLIPES (Hagen). 



This beautiful species is never abundant anywhere, but it is found 

 sparingly about the alkaUne ponds as well as along Satus Creek. 



37. SYMPETRUM MADIDUM (Hagen). 



This species is peculiar in that the males and females are seldom 

 found associated. The females only were found on Satus Creek south 

 of AKalfa Station. On Logic Creek, an upper tributary of Satus, 

 both males and females were found as tenerals on June 15. 



38. SYMPETRUM SEMICINCTUM (Say). 



Common in the valley ever^^where. 



39. SYMPETRUM VICINUM (Hagen). 



Found only on Satus Creek south of Alfalfa. Here it emerged 

 during August. 



40. LEUCORRmNlA INTACTA (Hagen). 



One specimen was taken on a pond south of Sunnyside. 



