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PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 49. 



the metallic tints, while the sides of segments 9 and 10 become bluish 

 pruinose. 



Figs. 16-21.— Aechilestes califoknica. 10. Ovipositing. 17. In copulation. 18. Scars from ovt- 



POSITION, ONE YEAR OLD. 19. SCARS TWO YEARS OLD- 20. BARK CUT AWAY SHOWING EGGS IN 



CAMBIUM. 21. Egg. 



Female (figs. 3 and 4).— Coloration identical with that of the male, 

 both in teneral and mature imagoes, except that in the female the hind 

 pair of legs are usually less heavily striped and segment 9 of the 

 abdomen is black above as in segments 2-8. 



