. 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. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 3II Interrupted Cottonwood Leaf Beetle {Lina interrupta Fab.) having reddish-yellow elytra with rounded black spots, or transverse black bands. Fruit Tree Leaf S3nieta {Syneta albida Lee).—A small brown or yellowish-white leaf beetle, 1^ inch long, is sometimes injurious to fruit trees in the spring in British Columbia and Fig. 201.—The grape root worm (Fidia vi
. 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. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 3II Interrupted Cottonwood Leaf Beetle {Lina interrupta Fab.) having reddish-yellow elytra with rounded black spots, or transverse black bands. Fruit Tree Leaf S3nieta {Syneta albida Lee).—A small brown or yellowish-white leaf beetle, 1^ inch long, is sometimes injurious to fruit trees in the spring in British Columbia and Fig. 201.—The grape root worm (Fidia vilicida): a, beetle; b, eggs natural size under fold of bark and much enlarged at side; c, young larva; d, full grown larva; e, pupa; /, injury to leaf by beetles; g, injury to roots by larvae. {After Marlatt, U. S. Bur. Ent.) Grape Root Worm {Fidia viticida Walsh).—A native American insect, and widely distributed (Fig. 201). Adult.—A small brownish beetle, }^^ inch long; covered with whitish hairs; body stout and legs long; June-July; eating holes in the leaves of grape. Eggs.—Whitish-yellow, cylindrical, ^25 ii^ch long; laid in masses of 25-40 beneath old bark; hatch in 9-12 days. Larva.—Young grub feeds on roots and becomes nearly full grown. 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: 1841px × 1357px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
