Elementary entomology ([c1912]) Elementary entomology . elementaryentomo00sand Year: [c1912] FIG. 168. Buffalo tree-hopper and twig of apple tree showing eggs and adult Adult (enlarged) at left; a, adult (natural size) ; b, recent egg punctures; c, bark reversed with eggs in position; d, single row of eggs (enlarged); <?, wounds of two or three years' standing on older limbs. (After Marlatt, United States Department of Agriculture) 123

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