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Multicolored Asian lady beetles swarm homes seeking warmth, releasing foul odor when disturbed

Scientists call them “death spiral” for the way tightly clustered swarms spin and exhaust themselves

Experts advise sealing cracks, repairing screens and vacuuming indoors to prevent infestations

As temperatures dip and autumn settles in, homeowners across the U.S. are encountering a familiar but unwelcome guest: the invasive multicolored Asian lady beetle.

Often mistaken for the native ladybug, the Asian lady beetle (scientifically known as Harmonia axyridi s) is notorious for biting, swarming and releasing a foul odor when disturbed. According to recent alerts from pest‑control experts and extension services, clusters of Asian lady beetles have been spotted converging on hom

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