A noteworthy topic: An increase in cockroaches, previously uncommon in Hokkaido, has been noted. This is attributed to global warming, invasions via mail order, and the fact that cold-sensitive species are more likely to establish themselves due to improved insulation and heating systems in homes. While some species were originally native to the area,
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A noteworthy topic: An increase in cockroaches, previously uncommon in Hokkaido, has been noted. This is attributed to global warming, invasions via mail order, and the fact that cold-sensitive species are more likely to establish themselves due to improved insulation and heating systems in homes. While some species were originally native to the area,