. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . Work of the round-head apple-borer, Saperda Candida.—a, piiiiciiire m wliich egg is laid ; b, same in section ; e, hole from which beetle has emerged ; /, same in section; g, pupa in its cell. Fk;. 2M2.

---

Size: 2722px × 1836px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906