. The Codling Moth . Fig. 2.—Codling Moths (Enlarged Twice] w^ti0mm ^|i(i|l IjHeIjUJJ Fig. 3.—Codling Moths (Natural Size, from Slingerland^ 49 ima the length of the life cycle of the insect. In the records givenwe find that the periods vary from 40 to about 66 days, with an aver-age of 55 days, or about 8 weeks. Professor Gillette finds thpaccording to his life history studies upon the summer brood the ?:?:::-:: Z30C :::: ::: mr JULY AUGUST Fig. 10.—Band record made by David Brothers in Colorado in 1S99. period of the different stages is as follows: From egg to larva. 7days: from larva
. The Codling Moth . Fig. 2.—Codling Moths (Enlarged Twice] w^ti0mm ^|i(i|l IjHeIjUJJ Fig. 3.—Codling Moths (Natural Size, from Slingerland^ 49 ima the length of the life cycle of the insect. In the records givenwe find that the periods vary from 40 to about 66 days, with an aver-age of 55 days, or about 8 weeks. Professor Gillette finds thpaccording to his life history studies upon the summer brood the ?:?:::-:: Z30C :::: ::: mr JULY AUGUST Fig. 10.—Band record made by David Brothers in Colorado in 1S99. period of the different stages is as follows: From egg to larva. 7days: from larva to cocoon stage. 19 days; from cocoon stage to emer-gence of moth. 18 days: from emergence of moth to middle of egg-
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Keywords: ., bookcentury1900, bookdecade1900, bookidcodmoth00uni, bookyear1903
