What's up Doc?
I've been busy these last two weeks, so haven't been on as much. Sorry I missed your question, but that article probably has far more detailed information than I could provide. In fact, I've added it to my reading list.Found this which explains it. Seems to be a variety of strategies.
Abstract. Many insect species live in the arctic and show a wide range of adaptations to its extreme severity and seasonality. Long, cold winters are met, for eacademic.oup.com