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By JACK DUNFORD
Extension Agent. Farm Management
Gypsy Moth soon finished
This year’s defoliation by the Gypsy Moth will be finished soon. After the troublesome larval stage completes its development in late June to early July, they will attach themselves to a surface with strands of silk and pupate. After a two-week pupation period, the adult moths will emerge, the males will fly in zigzag patterns looking for females who cannot fly and soon after mating the female will lay her eggs in a single mass.
These egg masses can be easily observed from July until next spring when the larvae emerge and begin eating leaves next summer. Most of the egg masses will be laid on the trees - especially in protected areas such as bark flaps, crevices and holes. Egg masses also can be found on the ground.
The density of egg masses in your yard or in a timber stand is a good indicator of the level of infestation you will experience next spring. In the field, little can be done to destroy the egg masses. The best time in the life cycle to kill the pest is just after they emerge from the egg
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