Elementary entomology ([c1912]) Elementary entomology . elementaryentomo00sand Year: [c1912] FIG. 181. The cochineal insect a, on cactus; b, male; c, female (enlarged). (From Riverside Natural History) groups may be readily distinguished. The mealy-bugs are fre- quently found on greenhouse plants, and are so named from their mealy covering of wax and the numerous white, waxy filaments FIG. 182. The peach lecanium, or terrapin scale Adults at left (much enlarged and natural size); young at center and unfertilized female at right (much enlarged). (After Howard, United States Department of Ag
Elementary entomology ([c1912]) Elementary entomology . elementaryentomo00sand Year: [c1912] FIG. 181. The cochineal insect a, on cactus; b, male; c, female (enlarged). (From Riverside Natural History) groups may be readily distinguished. The mealy-bugs are fre- quently found on greenhouse plants, and are so named from their mealy covering of wax and the numerous white, waxy filaments FIG. 182. The peach lecanium, or terrapin scale Adults at left (much enlarged and natural size); young at center and unfertilized female at right (much enlarged). (After Howard, United States Department of Agriculture) which are given off from their bodies. They are from an eighth to a quarter of an inch long, and move about slowly over the plant, retaining their legs throughout life. The soft scales include those
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