Séance du 16 Avril 1924 
157 
rations compared with the Sarona type. The damage 
would he enormous in this country, if the C. capiteda 
would be imported. 
We may conclude, that the new Blunck-formula 
of the temperature-development rule : t (v—k) = const, 
gives useful results with regard to C. capitata. The 
examination of the possible application of this rule 
should be considered as desirable. If further results 
should show their usefulness, the applied entomolo¬ 
gist will be in possession of a very important and sim¬ 
ple resource and the fuller utilization of the result? 
of research in other countries will result from it. 
