. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 344 ECONOMIC ENTOMOLOGY C. Tibia of forelegs with two apical spurs; female with saw-like ovipositor.—Tenthredinidm (Saw-flies) (Fig. 228), p. 345. CC. Tibia of forelegs with one apical spur; female with ovipositor fitted for boring.—Siricidce (Horntails), p. 350. BB. Abdomen joined to thorax by slender petiole or stalk. C. Fore wings with few or no cross veins, hence with no closed cells. D. Ovipositor issuing before the apex of the abdomen; anten-. Please note that these images are ex
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 344 ECONOMIC ENTOMOLOGY C. Tibia of forelegs with two apical spurs; female with saw-like ovipositor.—Tenthredinidm (Saw-flies) (Fig. 228), p. 345. CC. Tibia of forelegs with one apical spur; female with ovipositor fitted for boring.—Siricidce (Horntails), p. 350. BB. Abdomen joined to thorax by slender petiole or stalk. C. Fore wings with few or no cross veins, hence with no closed cells. D. Ovipositor issuing before the apex of the abdomen; anten-. 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
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
