. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. A A ^ A Fig. 115.—Venation of a notodontid Fig. 116.—Venation of a noctuid {Noiodonta). {After Comstock.) {Agratis). {After Comstock.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lochhead, William, 1864-. Philadelphia, Blakiston

---

Size: 1442px × 1732px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919