| 21. | The species overwinters in the larval stage within the pitch nodule.
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| 22. | The species overwinters in its chrysalids in sand or leaf litter.
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| 23. | The species overwinters as a young larva in a mined needle.
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| 24. | The larva pupates and overwinters inside the body of the host.
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| 25. | The larvae overwinters in the pupal stage inside the tunnelled twigs.
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| 26. | Fully-grown larvae pupate and overwinter in shallow underground chambers.
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| 27. | Adult males and females overwinter inside their cells into the stems.
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| 28. | They overwinter as eggs, with just one generation per year.
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| 29. | These cells then overwinter and serve as inoculum the following spring.
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| 30. | It overwinters there and feeds and grows again in early spring.
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