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Image 43 of Annual report. 1908

Part of Kentucky Agricultural Experiment Station

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<-Y`; “ ` s-ie"; f, i,__. 7,.:; ·;;`T_ L · ;=:,"?':° ` ` .· »;,.5:·‘iL . 26 Bullctm No. 133. . . Lantern Traps for Codling Moth. -·? we `i;*"’i3 · . . tg l Tra s have been so ersistentl advocated and advertised b _ _ ta ¤f;·¤‘. ‘ . . . . ‘ 3··_,.-.5 gi, people interested rn the1r manufacture that many good fruit grow- ers have become convinced of their value as a means of lessening · r> `¢?·?*‘ '¢;.i—:-. Q'- . . . . r codlrng moth injuries. But to any one who has had much expe- ; rience as an entomologist, it seems at once very improbable that r',_ . they will be attracted in numbers sufficient to justify the ex- g_¥;§L‘Z"I ense and time re uired to catch them b such means. I have seen _ VIZ i..:'·`:’·i - ··sr . y ' i in use such traps, consrstmg of a tin can with simple exposed wick, l and tin reflectors, placed over a bucket of water with oil on the 5 surface, and can testify that they will at times draw and destroy ··? ;:;v`i§‘§ , . . . . L · man insects. But when these insects were examined it was ‘·:¤{.z. l ’ impossible to say that codling moths had been captured at all, be- cause of the condition in which the oil and water left the insects, and it was plain, from the size and other characters determinable, .3 a .° . that more than 99 per cent. of the insects were certainly not cod- v.;as;—%>j· ‘``‘ ”f? ‘ . . ling moth. Seine of these traps were tried by myself, finally, on 1 my own place and on the College Campus, without getting results ` Q that were at all satisfactory. It was finally decided to use a trap .-:2.*%- .,_-an -3: , . “ . . . . . T that would capture the insects wrthout injuring them, and an ordi- .;f*£‘1...T r - - · nary 16-candle incandescent electric lamp was suspended at one si 6 » ~ · - . ···. 4 a end of the Vivarium under which was placed a trap made after a w. ...__y] _ . _. . C Ln . ( L (. l . . . ’ . fg - description publ1shed some years ago by Professor C. P. Gillette, y of Colorado. About one hundred feet away were large apple trees, e T and the conditions seemed in every way good to test the question V · ar-£f,_'·¢a. { . . ` T *“ as to whether a light could be de aended u Jon to ca ture the adult r,_?f_ s ie e. l P codhng moth. Large numhcrs of moths, beetles, and bugs (Leaf- *" . ho J Jers—Jassidac—were es Jeciall r numeorus. were ca utured from E3;. gr,. l l 5 l July 15 to September 1. but on only three occasions July 20, .__.e, 3-.*,; ~ . ` · U I . . l r Bol,-.2%, and 34) were codhng moth captured; in all but hve speci- s .*i?3;. ."-. Q . " . ’. r mens. It is to be remembered that this was a much better light V ‘lJF?¥·ZsQt’Zf {1,.*;, Y . . . . ; and lantern than would be avarlable for the fruit grower, and rf, $2 r under such very favorable conditions, so few moths were captured, · ». ":fs`¥:j*` ". ` · · · · ‘ .-;-1 it is reasonable to suppose that very few indeed would be attracted by the imperfect traps generally employed. The following record _··, yy. § was made by Nr. E. P. Taylor. the assistant in charge of the trap: =3$Li§*=E5" Qsl F Z $7 "·"§€f`T$=—° £&‘i‘·~’P3:-- =` `.‘ J- ..`‘ * i 1§*;€$.Z;Qi?‘ il ‘.‘~ 5 f ltglf J .7.; } ~ .» .; 2. B z

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