. Bulletin of the Department of Agriculture. Agriculture. 36 BULLETIN 189, U. S. DEPARTMENT OF AGBICULTURE. Table XXVIII.—Emergence of spring-brood moths of the codling moth at French Creek, W. Va., in 1913. (See fig. 21.) Date of obser- vation. Number of moths emerging. Date of obser- vation. Number of moths emerging. May 6 1 11 4 18 25 4 11 9 19 11 0 8 6 5 2 10 10. .. 13 14 17 17 20 21. 24 24 27 31 . Total 134 June 3 30. BROOD O 10 Q ^ -V -^ C\j (\J A^A Y «*) OloOU)OloO'0 (Vj (\j Pj V ^ (\j (\| JUNE JULY 0) U) VO y^ UG Fig. 21.—Diagram to illustrate emergence of spring-brood and first-b


. Bulletin of the Department of Agriculture. Agriculture. 36 BULLETIN 189, U. S. DEPARTMENT OF AGBICULTURE. Table XXVIII.—Emergence of spring-brood moths of the codling moth at French Creek, W. Va., in 1913. (See fig. 21.) Date of obser- vation. Number of moths emerging. Date of obser- vation. Number of moths emerging. May 6 1 11 4 18 25 4 11 9 19 11 0 8 6 5 2 10 10. .. 13 14 17 17 20 21. 24 24 27 31 . Total 134 June 3 30. BROOD O 10 Q ^ -V -^ C\j (\J A^A Y «*) OloOU)OloO'0 (Vj (\j Pj V ^ (\j (\| JUNE JULY 0) U) VO y^ UG Fig. 21.—Diagram to illustrate emergence of spring-brood and first-brood moths of the codling moth at French Creek, W. Va., in 1913. The first moth was found in the jars on May &, the maximum num- bers from May 17 to June 7, and the last on June 24. A freeze occurring on the night of April 20 caught the apple trees just coming into full bloom, practically destrojdng the entire crop of blossoms. The first moth appeared 16 days after the date of the freeze, and the maximum emergence was a little more than four weelcs after the freeze. FIRST-BROOD MOTHS. Owing to the light crop of apples only a few larvae were obtained, and the number. of first-brood moths emerging was insignificant. Table XXIX shows the number that were 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. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.


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