Seasonal development
and life cycle—Squash bug
Eggs are laid in the spring through midsummer on stems or on the undersides of leaves, often in the angle
formed where two veins meet. The orange yellow to bronze eggs are elliptical, and are deposited on their
sides in groups. Young squash bugs are wingless and pale green to almost white, later turning darker brown.
Very young nymphs feed close together. Nymphs grow into adults by late summer or fall. There are several
generations a year.
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Squash
bug adults