. Manual of fruit insects. Fig. 14. — Exit hole of codlin-moth larva; left, before leaving thefruit; right, after it has emerged andpushed away the Fig. 15, — Empty codlin-moth cocoons on the under side of a flake of bark;view of the outer surface of the same flake showing the holes made by birds inreaching the larvae. and pears. \ Its most effective natural enemiesare the birds, ^ TEe~ over a dozen species of which are kno^T 18 FRUIT INSECTS downy woodpecker, nuthatch and chickadee destroy greatnumbers of the hibernating larvae, under loose flakes of fact, it requires diligent


. Manual of fruit insects. Fig. 14. — Exit hole of codlin-moth larva; left, before leaving thefruit; right, after it has emerged andpushed away the Fig. 15, — Empty codlin-moth cocoons on the under side of a flake of bark;view of the outer surface of the same flake showing the holes made by birds inreaching the larvae. and pears. \ Its most effective natural enemiesare the birds, ^ TEe~ over a dozen species of which are kno^T 18 FRUIT INSECTS downy woodpecker, nuthatch and chickadee destroy greatnumbers of the hibernating larvae, under loose flakes of fact, it requires diligent search to find larvae towards springeven where empty cocoons are abundant. Usually a tell-tale hole through the bark flake into the cocoon explains theabsence of its occupant (Fig. 15). These birds are such efficientaids to man in controlling the codlin-moth that they should


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915