. Circular. Insect pests; Insect pests. HOW TO CONTROL THE PEAR THRIPS. Table V.—Emergence ofthripsfrom samples taken from orchard in November and Decem- ber and kept in cages at laboratory, Suisun, Cal. Number Number Date. of thrips Date. of thrips emerging. emerging. Feb. 16 1 26 11 17 3 27 14 18 2 28 41 19 G Mar. 1 105 20 1 2 247 21 1 3 243 22 4 7 612 23 2 12 357 24 5 16 82 25 11 19 8. 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 ori


. Circular. Insect pests; Insect pests. HOW TO CONTROL THE PEAR THRIPS. Table V.—Emergence ofthripsfrom samples taken from orchard in November and Decem- ber and kept in cages at laboratory, Suisun, Cal. Number Number Date. of thrips Date. of thrips emerging. emerging. Feb. 16 1 26 11 17 3 27 14 18 2 28 41 19 G Mar. 1 105 20 1 2 247 21 1 3 243 22 4 7 612 23 2 12 357 24 5 16 82 25 11 19 8. 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, D. C. : The Bureau


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1904