. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 144 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. of the female was days, or days longer. In summarizing the two series we find that the earliest pupa occurred March 2, the latest pupa May 11, the earliest adult April IS, and the last adult June 11. The shortest pupal stage was 30 days, the longest 56, and the average. March April May FIG. 32.—Diagram showing pupation of spring brood of larvse, 1911. (Original.) days. From the total adult emergence record (fig. 33) it will be seen that the earliest adul
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 144 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. of the female was days, or days longer. In summarizing the two series we find that the earliest pupa occurred March 2, the latest pupa May 11, the earliest adult April IS, and the last adult June 11. The shortest pupal stage was 30 days, the longest 56, and the average. March April May FIG. 32.—Diagram showing pupation of spring brood of larvse, 1911. (Original.) days. From the total adult emergence record (fig. 33) it will be seen that the earliest adult emerged on March 24 and the last on June 20, so that by using the average pupal period the earliest pos-. 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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