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Excerpt from The European Elm Scale in the WestIn America the scale is found both in Canada, where it has been reported from the provinces of Ontario and Quebec, and in the United States, where it occurs in 27 States and the District of Columbia. It is still spreading, for occasionally a. New State is added to the list. The scale is known to occur in the following East ern, Central, and Southern States: Maine, New Hamshire, Vermont, Massachuse...

Excerpt from The European Elm Scale in the WestIn America the scale is found both in Canada, where it has been reported from the provinces of Ontario and Quebec, and in the United States, where it occurs in 27 States and the District of Columbia. It is still spreading, for occasionally a. New State is added to the list. The scale is known to occur in the following East ern, Central, and Southern States: Maine, New Hamshire, Vermont, Massachuse...