. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. f Jb Fig. 8.—Erastria scitula, an imported enemy of the black scale: a, Larva from below; b, same, from above; c, same, in case; d, case of full-grown larva; e, pupa; /, moth. Enlarged. (After, Rou- zaud.) • Pseudococcus. This insect flourished, especially in southern Cali- fornia, and on arrival in Hawaii he found that coffee plants and certain other trees were on the point of being totally destroyed by the allied scale insect known as Pulvinaria psidii Mask. He at. Please note that these images are extracted fr

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. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. f Jb Fig. 8.—Erastria scitula, an imported enemy of the black scale: a, Larva from below; b, same, from above; c, same, in case; d, case of full-grown larva; e, pupa; /, moth. Enlarged. (After, Rou- zaud.) • Pseudococcus. This insect flourished, especially in southern Cali- fornia, and on arrival in Hawaii he found that coffee plants and certain other trees were on the point of being totally destroyed by the allied scale insect known as Pulvinaria psidii Mask. He at. 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 United States. Bureau of Entomology. Washington : G. P. O.

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