PLATE VI 

 Oviposition of Megasiigmus spermotrophus in the cones of Douglas jfir: 



Fig. I, 2. — Two positions of female on surface of cone with ovipositor inserted. 

 Photographed from dead females which had been killed in this position. Enlarged. 



Fig. 3. — Female resting on cone with ovipositor inserted. Photographed from life. 

 Enlarged. 



