. Circular. Insect pests; Insect pests. //'//' •iiirTh ,rfd ^^\\\m^. Fig. 2.—The pear thrips {Euihrips pyri): Adult, greatly enlarged. (Original.) tion of the tables of emergence records (Tables I to V) will show the dates of emergence for 1909-10: Table I.— Total daily emergence of thrips from all cages at laboratory, San Jose, Cal., 1909 and 1910. Number Number Number Number Date. thrips thrips Date. thrips thrips emerging emerging emerging emerging in 1909. in 1910. in 1909. in 1910. Feb. 9 0 25 Mar. 8 219 275 10 0 18 9 776 144 11 0 16 10 497 100 12 0 16 11 498 73 13 0 4 12 338 179 14 0 88


. Circular. Insect pests; Insect pests. //'//' •iiirTh ,rfd ^^\\\m^. Fig. 2.—The pear thrips {Euihrips pyri): Adult, greatly enlarged. (Original.) tion of the tables of emergence records (Tables I to V) will show the dates of emergence for 1909-10: Table I.— Total daily emergence of thrips from all cages at laboratory, San Jose, Cal., 1909 and 1910. Number Number Number Number Date. thrips thrips Date. thrips thrips emerging emerging emerging emerging in 1909. in 1910. in 1909. in 1910. Feb. 9 0 25 Mar. 8 219 275 10 0 18 9 776 144 11 0 16 10 497 100 12 0 16 11 498 73 13 0 4 12 338 179 14 0 88 IS 313 45 15 18 22 14 248 20 Iti 0 27 15 279 7 17 52 34 16 259 4 18 192 33 17 152 20 19 192 14 18 42 7 20 169 23 19 61 2 21 75 62 20 28 2 22 23 24 25 26 27 28 Mar. 1 3 4 5 G 7 119 135 552 459 444 414 781 781 535 1,299 714 508 3(i2 438 129 375 272 297 455 574 657 1,975 3,592 3,011 4,217 1,402 1,595 539 21 22 23 24 25 26 27 28 29 30 31 Apr. 1 2 3 2 6 13 3 2 3 7 7 0 2 0 3 0 1. 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