. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . Work of the round-head apple-horer, Sapenia ca/niida.—a, puncture in which egg is laid ; d, same in section ; e, hole from which beetle has emerged ; /', same in section ; ^, pupa in its cell. Fig. 202.

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphila, bookyear1896