. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 14 a glutinous state autl ap])arently ia a single thread. The glutinous liquid which combines the two, and which hardens immediately on ex- posure to the air, may, however, be softened in warm water. The worm usually consumes from three to five days in the construction of the co- coon and theu passes in three days more, by a final molt, into the chrys- alis state. The Cocoon.—The cocoon (Figs. 2 and 3) consists of an outer lining. ^rfiSiiff&MA^ Tig. 2.—Constricted cocoon, with fine texture (original).. Please


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 14 a glutinous state autl ap])arently ia a single thread. The glutinous liquid which combines the two, and which hardens immediately on ex- posure to the air, may, however, be softened in warm water. The worm usually consumes from three to five days in the construction of the co- coon and theu passes in three days more, by a final molt, into the chrys- alis state. The Cocoon.—The cocoon (Figs. 2 and 3) consists of an outer lining. ^rfiSiiff&MA^ Tig. 2.—Constricted cocoon, with fine texture (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.


Size: 1471px × 1698px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, booksubjectentomology, booksubjectinsects, booky