PLATE VII. 
—+— 
Fic. 1. Srrex sp. a. Full-grown larva; 0. Q@ pupa; c¢. imago, 
é;d.imago, 2 ;¢. A piece of spruce-wood show- 
ing vertical and horizontal sections of the larval tun- 
nels; f. Piece of bark showirg exit holes (the larger 
ones) and sections of the galleries (the larger ones) 
made by the adults on escaping from the tree. 
2. THALESSA or Ruyssa sp. Side view of imago, 9. 
. CALLIRHYTIS SEMICARPIFOLIZ, Cameron. a. Full-grown 
larva. 0b. Nearly mature pupa. c. imago 
&> 
4. Heterocerous larva. Found in company with C, semtcar. 
pifolie. Side view. 

Gas" Note.—When the figures are not drawn actual size, the actual size is repre- 
sented either by a hair line or by a figure showing the number of times it has been 
enlarged. 
