Plate XXV 



Fig. 1. Reddish Elm Snout-beetle, Magdalis armicollis: beetle, larva, 

 and pupa. Enlarged eight diameters. 



Fig. 2. Burrow showing egg of Magdalis armicollis. Enlarged three 

 diameters. 



Fig. 3. Hickory Bark-beetle, Scolytus 4-spinosus : 1 and 2, work; 3, 

 beetle, enlarged and natural size; 4, larva, side view, en- 

 larged and natural size ; 5, pupa, ventral view, enlarged as 

 indicated; 6, Magdalis armicollis, punctuation of elytra. 

 (Riley, Rep. State Ent. Mo.) 



