. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 81 j 1904, we saw a full-grown larva leaving a cotton plant at in the morning. It climbed cautiously" down the stem, once stopping to ! crawl out on a branch near the ground. FORMATION OF THE PUPAL CELL. Once a larva has reached the ground, it proceeds at once to select a suitable place to burrow beneath the soil. Under ordinary conditions not much time is lost in choosing the proper site, which is usually not more than 1 or 2 feet from the base of the plant. When confined within a small space a few min
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 81 j 1904, we saw a full-grown larva leaving a cotton plant at in the morning. It climbed cautiously" down the stem, once stopping to ! crawl out on a branch near the ground. FORMATION OF THE PUPAL CELL. Once a larva has reached the ground, it proceeds at once to select a suitable place to burrow beneath the soil. Under ordinary conditions not much time is lost in choosing the proper site, which is usually not more than 1 or 2 feet from the base of the plant. When confined within a small space a few minutes are always sufficient. It now begins to push its head against the soil, at the same time swinging it slightly from side to side, and thus throws up a pile of loosened particles of earth. (See PL XII, fig. 1.) The diameter of the hole when excava- 1 "' *'^ i. r >â :. I'// < cTb. 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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