. A manual of dangerous insects likely to be introduced in the United States through importations. A Poplar Borer. Poplar borer {Molesthes sarta): Fig. 1.—Eggs. Fig. 2.—Empty egg. Figs. 3, 4, 5.—Larval stages. , 7.—Pupa. Fig. 8.—Male. Fig. 9.—Females. (Stebbing.) U. S. Dept. of , Manual of Dangerous Insects. Plate XXXVI, ?^.


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin