. Economic entomology. Beneficial insects; Insect pests; Thysanura. Claw and caruncle of Gaiuasus tetragonoides. Claw and caruncle of Dermanyssus avium. Claw find caruncle of Sejus auris. In some species the skin is chitonous, like the covering of a beetle, but not so hard; and the colour is usually pale brown or fawn. In certain species the skin is chitonous only in part, the rest being soft, pliant, and colourless; and in others it is entirely soft, and naturally white or yellowish, but showing the colour of. Please note that these images are extracted from scanned page images that may have


. Economic entomology. Beneficial insects; Insect pests; Thysanura. Claw and caruncle of Gaiuasus tetragonoides. Claw and caruncle of Dermanyssus avium. Claw find caruncle of Sejus auris. In some species the skin is chitonous, like the covering of a beetle, but not so hard; and the colour is usually pale brown or fawn. In certain species the skin is chitonous only in part, the rest being soft, pliant, and colourless; and in others it is entirely soft, and naturally white or yellowish, but showing the colour of. 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 Murray, Andrew, 1812-1878. [London] Chapman and Hall


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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherlondonchapmanandha