. Economic entomology for the . young oak timber is sometimes badly injured by the Prionoxys- tus robini(B. There has been recently introduced into the Eastern United States a European species known as the leopard-moth, Zeuzera pyrina, and this has become a pest on the shade-trees in several of our Eastern cities. The male moths expand a little more than an inch, the female over two inches, and both are white, spotted with black, whence the common name " ; There is great difficulty in dealing with insects of this character, owing to their food habits. Fortunatel
. Economic entomology for the . young oak timber is sometimes badly injured by the Prionoxys- tus robini(B. There has been recently introduced into the Eastern United States a European species known as the leopard-moth, Zeuzera pyrina, and this has become a pest on the shade-trees in several of our Eastern cities. The male moths expand a little more than an inch, the female over two inches, and both are white, spotted with black, whence the common name " ; There is great difficulty in dealing with insects of this character, owing to their food habits. Fortunately, even in this imported form, the natural checks seem to prevent its doing much injury to orchards or country trees ; but in the cities and towns it threat- ens the life of the shade-trees. The only recommendation to
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookpublishernp, bookyear1896
