. 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. 6 765. -^ 7Zh 4 C> 3Z lie ( h < Fig. - Abdomen of male Melanoplus bivitlatus. A, lateral view; B, dorsal view; C, ventral view. (After Lugger.) Species of Acridium: A. Size large; antennae rather short.—A. americana. AA. Size medium; antenna longer. B. Color yeUowish-brown or olive-green.—A. alutacea. BB. Color rusty-brown; no yellowish stripe on dorsum.—A. rubiginosa. Species of Melanoplus: A. Apex of l
. 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. 6 765. -^ 7Zh 4 C> 3Z lie ( h < Fig. - Abdomen of male Melanoplus bivitlatus. A, lateral view; B, dorsal view; C, ventral view. (After Lugger.) Species of Acridium: A. Size large; antennae rather short.—A. americana. AA. Size medium; antenna longer. B. Color yeUowish-brown or olive-green.—A. alutacea. BB. Color rusty-brown; no yellowish stripe on dorsum.—A. rubiginosa. Species of Melanoplus: A. Apex of last ventral segment of male distinctly notched (Fig. 63). B. Length of body to tip of wing-covers 29-35 mm.—M. sprctus. BB. Length of body to tip of wing-covers 23-26 mm.—M. atlanis. AA. Apex of last ventral segment of male entire, or at least obscurely notched. B. Anal cerci enlarged at apex.—M. bivitlatus. BB. Anal cerci tapering. C. Species of medium size; anal cerci much narrowed, but without a notch.—M. femnr-rubrum. CC. Species of large size; anal cerci suddenly narrowed, making a prominent right-angled notch on lower side.—M. 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, 1864-1927. Philadelphia : Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
