Life cycle:
The egg hibernates and is deposited at straws in a significantly wider ring than it is the case in Malacosoma neustria because of the small diameter of the blades. The caterpillars are observed from April to June gregarious on the ground. The migrations between the host plants can be reconstructed based on the silk roads. In the final stage, however, they scatter. The adults fly between late June and early August.

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De eieren van de Heideringelrups worden in een enkele laag rondom een rechtopstaande stengel gelegd en overwinteren.