PLATE XXV. 



PLEA STRIOLA. 



Fig. 1. A sprig of water weed (Elodea) with the inserted eggs of 

 Plea. An adult drawn to same scale as eggs shown. 



Fig. 2. Adult female Plea, with her ovipositor exserted. 



Fig. 3. Egg of Plea, same scale as figure 2. 



Fig. 4. Side view of body of Plea, hemelytra removed showing the 

 wing-pad. Some have the flying wings much better developed than this 

 specimen. 



Fig. 5. Egg of Plea inserted in plant tissue. 



Fig. 6. Egg of Plea. 



Fig. 7. Ventral view of male abdomen of Plea. 



Fig. 8. The edge of the right hemelytron shown in figure 9. Note the 

 white ridge with its irregularities that snap into irregularities of the 

 open hemelytron, making a firm union of the two. This has led writers 

 to state that the hemelytra of our Plea are soldered into one piece. 



Fig. 9. Hemelytra of Plea, showing suture clasping device. 



Fig. 10. Ventral view of female abdomen of Plea striola. 



(316) 



