. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. EMERGENCE FROM HIBERNATION, 1907. 69 records now at hand indicate that emergence may take place when- ever the mean average temperature exceeds 55° F. It is certain that weevils may be active at a temperature considerably lower than this, but the records do not indicate that there is a general RAtNFALL /N tNCHES O ^' ~ l\* f\J o g g S § S ^ «i 4 «i 55a. â t s -H ^ :^ ^,_ â â i< N ' JU. â â â ( *t " f i i ? s. emergence from hibernation at a lower temperature. After having left their winter quarters, w
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. EMERGENCE FROM HIBERNATION, 1907. 69 records now at hand indicate that emergence may take place when- ever the mean average temperature exceeds 55° F. It is certain that weevils may be active at a temperature considerably lower than this, but the records do not indicate that there is a general RAtNFALL /N tNCHES O ^' ~ l\* f\J o g g S § S ^ «i 4 «i 55a. â t s -H ^ :^ ^,_ â â i< N ' JU. â â â ( *t " f i i ? s. emergence from hibernation at a lower temperature. After having left their winter quarters, weevils may continue active at considerably lower temperatures than are required to draw them out from their shelter. This statement may, in part at least, explain the continued. 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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