. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 323 Three-fourth inch long, stout, flattened, yellowish; dorsum of head and first six abdominal segments with chitinous points. Control.—Badly infested branches should be cut out and burned in winter or spring. Spray infected trunks and branches with kerosene (1:2 of water) in late fall after leaves have fallen to kill the young larvae in the Fig. 210.—The hickory borer (Cyllene picla) on dead or dying hickory. Cyllene picta Drury
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 323 Three-fourth inch long, stout, flattened, yellowish; dorsum of head and first six abdominal segments with chitinous points. Control.—Badly infested branches should be cut out and burned in winter or spring. Spray infected trunks and branches with kerosene (1:2 of water) in late fall after leaves have fallen to kill the young larvae in the Fig. 210.—The hickory borer (Cyllene picla) on dead or dying hickory. Cyllene picta Drury bores in hickory and elm. Adult is velvety black with many pale yellow lines across the thorax and elytra (Fig. 210). Sugar Maple Borer {Plagionotus speciosus Say).—Apparently healthy trees are attacked. Adult.—-Nearly an inch long; black marked with yellow. Antennae. 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- [from old catalog]. Philadelphia, P. Blakiston's son & co
Size: 1201px × 2081px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
