210 
JOURNAL OF ECONOMIC ENTOMOLOGY 
[Vol. 13 
favor the sulfur-arsenate of lead dust on account of the rapidity and 
ease of application and the high efficiency in control of curculio, slug 
and leaf spot. 
Mr. E. G. Kelly: Were the cherries counted only those infested 
with larvae or also those punctured? 
Mr. J. G. Sanders: Both larval infested and punctured were 
counted together in estimating percentage. 
Mr. 0. I. Snapp: I would like to ask Mr. Sanders if he experienced 
any difficulty in getting 90 per cent sulphur on the trees. In our 
experience in Mississippi, we have had some difficulty. 
Mr. J. G. Sanders: We had no difficulty in completely surround¬ 
ing and enshrouding the trees in a cloud of sulphur. In fact, it floated 
to four or five rows of trees in a very slight wind. 
Mr. 0. I. Snapp: I thought that the fact that so much sulphur 
was used would make it too heavy. 
Mr. J. G. Sanders: We have never experienced any such trouble 
either in this case or in spraying or dusting peaches or apples. If 
you have sufficient power, you can project the dust to a very consider¬ 
able distance. 
Mr. 0. I. Snapp: Did you use a Niagara machine? 
Mr. J. G. Sanders: We used a Niagara outfit with a 3| or 4 
engine. 
Mr. E. G. Kelly: Were you using ground sulphur? 
Mr. J. G. Sanders: The finest we could get. 
Mr. E. G. Kelly: Did the dew have any effect upon that? 
Mr. E G. Sanders: No. 
Mr. 0. I. Snapp: On what date did you spray? 
Mr. J. G. Sanders: First on May 31st after the petals had fallen; 
second on June 13th; third on July 19th just after they had picked 
the fruit. The application on the 19th of July after picking the fruit 
was the one that was intended for the leaf spot control. It resulted 
in thorough control work, the leaves being retained on the trees as you 
saw in some of the photographs. 
By vote of the Association the paper entitled “Distribution of the 
Oriental Moth,” by H. T. Fernald, was read by the Secretary. 
TEN YEARS OF THE ORIENTAL MOTH 
By H. T. Fernald, Amherst , Mass. 
In January, 1907, a bulletin on the Oriental moth issued by the 
Massachusetts. Experiment Station contained a map showing the 
approximate area then occupied by the insect. At that time the area 
was described as “very irregular in form, but as a whole extends farther 
