Bulletin volume V71 80 1901 02

Cover Bulletin volume V71 80 1901 02
Bulletin volume V71 80 1901 02
Hatch Experiment Station
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, for the purpose.
In the spring the beetles leave their hiding places about the time the leaf buds open, and after mating, feed upon the tender leaves, making irregular holes. When the leaves become full grown egg laying begins, each female depositing from 400 to 600 eggs. These are yellow and are jolaced on the lower side of the leaves, usually in about two irregular rows close together, and from five to twenty-six in number. After depositing a cluster the adult beetle feeds for a longer or s
...horter time before again depositing, and in this way the period of egg laying is not only extended over a considerable time, but the injury caused by the beetle feeding is correspondingly increased.
The eggs (Fig. I, a and e) are oval in form, attached by one end, and somewhat pointed at the tip. They hatch in less than a week after they are laid, and as egg laying continues for quite a period, eggs and young more than half grown, may often be found on the same tree.
The young larvae or grubs (Fig.


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