Asian Lady Beetles

Identification

  • Colour Orange, red, or yellow colour with black spots on the body
  • Size Up to 8 mm long
  • Also known as Ladybugs
  • Description Asian lady beetles can have different colours and numbers of black spots, but can all be identified by the M shaped mark on the thorax behind their head.

General Facts

Why do I have Asian lady beetles?

Native to Asia, these beetles were released in the US decades ago as a form of natural pest control. However, they have now become a nuisance in Canada. Asian lady beetles can live for more than a year and thrive in both rural and urban environments, attracted to soft-bodied crop and garden pests like aphids. During the winter months, Asian lady beetles also invade homes to shelter from the cold, entering through tiny cracks and gaps.

How worried should I be about Asian lady beetles?

In the garden, Asian lady beetles are beneficial, eating pests that damage crops, gardens, farmlands, and ornamental plants. In the home, these beetles are a nuisance, although not dangerous. They do not transmit disease, and although they bite occasionally, they do not break the skin. However, Asian lady beetles do secrete a foul-smelling yellow liquid that can stain surfaces. You may also find piles of dead Asian lady beetles collected in light fixtures and around windows. These beetles can gather in overwhelming numbers, so getting rid of entire infestations can be costly and time consuming. It is crucial to get help from a professional pest control service.

How can I prevent Asian lady beetles invading?

Seal all cracks and gaps around your home, Repair damaged window and door screens

Other pests related to Asian Lady Beetles

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