EXPLANATION OF PuaTE VI. 
(This and the following Plate are photographs on a reduced scale 
from Plates in Réaumur’s “ Mémoires,” Vol. v.) 
Frias, 
1, 2, 3 represent larvae of A. rosae. 
4. Foot of a larva (magnified). 
5. Cocoon made by a larva on a leaf, for want of earth in which to 
pupate ! 
6, 7, 8. Cocoons; entire, and partially broken (intentionally) to 
show their construction, 
9. Grains of earth forming outer shell of cocoon. 
10, 11, 12. Different views of the imago (12 isa ¢). 
13-18 show the excavations (and eggs in Fig. 18 !) at various magni- 
fications, and at various stages in the growth of the eggs. 
