Their eggs incubate from 90 to 135 days; some eggs may overwinter and hatch the following spring.

In this state the eggs overwinter.

In this state of slow development, called diapause the eggs overwinter.

The eggs overwinter and hatch the larvae in the following Spring.

The eggs overwinter in a cocoon, the spiderlings hatch next spring.

The eggs must 'overwinter' before they will hatch.

The eggs will drop with the autumn leaflets and then overwinter.

They should be removed, with any infested leaves or weeds, where eggs may overwinter.

The eggs overwinter and hatch in spring of the next year.

The eggs overwinter and hatch in early May, when the caterpillars start feeding on the oak leaves.