22 MISCELLANEOUS PAPERS ON APICULTURE. 
other bees. If sufficiently covered with debris, they are to some extent 
removed from robbing workers. 
These results prove conclusively that the two wax moths, Galleria 
mellonella and Achroia grisella, do not eat the scales formed from 
larvse which have died of American foul brood. It is clear, therefore, 
that infectious material in a colony dying of this disease remains even 
after the comb is destroyed. The one point in favor of these moths, 
from a bee keeper's standpoint, is therefore disproven. 
