EXPLANATION OF PLATE XXXIV. 



Fig. i. — Resinous nodule on branch of big-tree {Sequoia sempervirens) produced by the larvae of 

 Vespamima sequoia. 



Fig. 2. — Inner view of resinous nodule on branch of big-tree {Sequoia sempervirens) showing rav- 

 ages of the larvae of Vespamima sequoia. 

 Fig. 3. — Same as Fig. 2, but larger branch. 



Fig. 4.— Resinous nodule on white pine (Pinus strobus) produced by the larvae of Parharmonia pint. 

 Fig. 5. — Underside of bark showing the tortuous galleries made by the larvae of Parharmonia pint. 



