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Harmonia axyridis is a large lady beetle or ladybug species that is most commonly known as the harlequin, Asian, or multicoloured Asian lady beetle. This is one of the most variable species in the world, with an exceptionally wide range of colour forms. [ 2 ]
Asian lady beetles follow their instincts and fly to sunny, exposed surfaces when preparing to hibernate through the winter. Light-colored buildings and walls in full sun will attract the critters.
The beetles' glands store enough hydroquinone and hydrogen peroxide to allow the beetle to release its chemical spray roughly 20 times. In some cases this is enough to kill a predator. [6] The main component of the beetle spray is 1,4-benzoquinone, an irritant to the eyes and the respiratory system of vertebrates.
Even a homemade spray of organic essential oils can irritate the skin — it's the irritant properties that make them effective at keeping pests away. Rather than use a lot of bug repellent on ...
The Japanese beetle (Popillia japonica) is a species of scarab beetle. Due to the presence of natural predators , the Japanese beetle is not considered a pest in its native Japan, but in North America and some regions of Europe, it is a noted pest to roughly 300 species of plants.
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