PLATE 1 
Lyctus planicollis 
A. —Samples of infested wood showing evidences of resumption of larval activity 
15 hours after treatment by steaming in a kiln. The wood was held in the kiln 
one-half hour at a temperature of 120° F. Circles indicate where activity was 
noted before treatment. (Lot III, Nos. 16 and 20.) 
B. —Samples showing absence of resumption of larval activity four weeks after 
treatment. Held in kiln 2J4 hours at a temperature of 130° F. (Lot I, No. 14.) 
