. Elementary entomology . 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

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912