FIFTH ANNUAL REPORT STATE ENTOMOLOGIST 



149 



a study of the action of this emulsion on the tissues of the apple 

 tree. We have further decided to make a study of the habits of this 

 scale insect, particularly at the time of hatching and starting the 

 young scales in June. This work will be undertaken in the season 

 of 1908. 



Oyster-shell Eark-louse: a, female scale from below showing eggs; b, 

 same from above, greatly enlarged; e, female scales; d, male scales, natural 

 size. (Howard, Year book, U. S. Dep't of Agr.) 



THE SPOTTED BLISTER BEETLE 



(Epicauta maculata Say.) 



This is one of the insects most frequently sent to the Experiment 

 Station during recent years. As its name indicates it belongs to the 

 order of beetles or Coleoptera and is a member of the family of "blis- 

 ter beetles" or Meloidae, which are remarkable and interesting from 

 the fact that in the early development more stages are passed 

 through than is usual for insects. They are called blister beetles 

 because of the fact that they are used in making blistering salve and 



