. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Fig. 4.—The imported cabbage webworm (Hclhtla undalis) : a. Moth; Z>, larva. lateral view; c, larva, dorsal view ; (/, pupa All three times natural size. (From Chittenden.). Fig. 5.—The imported cabbage webworm : Wing venation, head, and antenna. All en- larged. (After Hamp- son.) A day after deposition the eggs begin to take on a pinkish hue, due to light reddish spots below the surface. On the second day the embryo can be detected, the head showing as a blackish dot near one end and on the lower surface of t


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Fig. 4.—The imported cabbage webworm (Hclhtla undalis) : a. Moth; Z>, larva. lateral view; c, larva, dorsal view ; (/, pupa All three times natural size. (From Chittenden.). Fig. 5.—The imported cabbage webworm : Wing venation, head, and antenna. All en- larged. (After Hamp- son.) A day after deposition the eggs begin to take on a pinkish hue, due to light reddish spots below the surface. On the second day the embryo can be detected, the head showing as a blackish dot near one end and on the lower surface of the egg or the side of attachment. Experiments conducted in the latter days of July, in a temperature officially rated by the Weather Bureau of this department as mod-. 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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