KELLICOTT. . 113 



backwards almost to posterior margin, and a much 

 smaller patch above the outer part of the triangle, 

 brown ; hind wings with costa and nodal patch as in 

 the fore wings, but the other patch includes the tri- 

 angle and is extended backwards nearly to the anal 

 angle, and sends two branches to base, one between 

 the subcostal and median veins and another between 

 submedian and postcostal veins. These markings are 

 snbject to variation in extent and intensity of color. 



Common in all parts of the state from June to 

 September. 



MESOTHEMIS, Hagen. 



The single Ohio species of this genus is very 

 common. The males are most often seen as they fly 

 over open water a part of the time, the female usually 

 remain among grass and weeds that grow either in or 

 near the water ; she is very attractive, but her green 

 color protects her somewhat, and she may fly verv 

 near the collectors feet without being observed. She 

 oviposits among low plants that grow in the water. 



Mesotbemis sitnplicicollis, Say. 



Length: of abdomen d 27-32, ? 29-31; hind wing d" 

 30-33, ? 32-34. 



Male, colors black and green. Rear of eyes yellow 

 marked with brown in such a manner that they appear 

 chequered. Thorax green, legs black. Both thorax 

 and abdomen blue pruinose in old males. Superior ap- 

 pendages yellow, a row of black denticles extending 

 nearly the whole length of inferior edge. Inferior ap- 

 pendage brown, four fifths as long as the superiors. 



In the female the abdomen is green with distal part 



of 4-7 and all of 8 and 9 dark brown above. All the 



segments more or less dark brown below. Vulvar 



lamina triangular, margin entire. 



Abundant throughout the state, from May to 

 September. 



