. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Bui. 50, Bureau of Entomology, U. S. Dept. of Agriculture. Plate Pupation of the Bollworm. Fig. 1. Full-grown larva entering soil for pupation; fig. 2, three larvse. showing shrunken appear- ance just before pupation; fig. 3, larva in cocoon as made in sandy soil; fig. 4, two bollworm pupae—fig. 3 about natural size; figs. 1-2 enlarged one-half; fig. 4 enlarged three times (original).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Bui. 50, Bureau of Entomology, U. S. Dept. of Agriculture. Plate Pupation of the Bollworm. Fig. 1. Full-grown larva entering soil for pupation; fig. 2, three larvse. showing shrunken appear- ance just before pupation; fig. 3, larva in cocoon as made in sandy soil; fig. 4, two bollworm pupae—fig. 3 about natural size; figs. 1-2 enlarged one-half; fig. 4 enlarged three times (original).. 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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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology
