Invasive Animal

Asian Giant Hornet

Vespa mandarinia
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Warning

This is a stinging insect. Hornets will deliver a painful, venomous sting in defense of their nest, and each hornet can sting multiple times. If you are allergic to bee or wasp stings and are stung, or if you receive multiple stings, seek medical attention. If you believe you have found an Asian giant hornet nest, do not attempt to remove it.

About This Species

Asian giant hornets are the largest hornet in the world. They are found throughout South and East Asia and were likely brought to North America accidentally on container ships. Asian giant hornets were first seen in BC in 2019 in Nanaimo. Following this discovery, BC government officials together with local beekeepers destroyed the nest in Nanaimo. No sightings have occurred on Vancouver Island in 2020. Multiple individual dead hornets have been found in the Southern Fraser Valley region in 2020, but no nests have been found on mainland BC as of November 2020. In October 2020, WSDA officials destroyed a nest directly over the US-Canada border in Blaine, Washington.

The Washington State Department of Agriculture maintains a virtual, interactive map of all Asian giant hornet sightings in Canada and the United States.

Asian giant hornets typically nest in underground cavities, or above ground in tree stumps of forested areas. They feed on insects and are particularly dangerous to honeybee hives. If they establish in BC, they may pose a serious threat to our beekeeping and commercial pollination industries, which in turn will have serious consequences for BC agriculture.

How to Identify

The head is bright orange with large jaws and entirely black eyes. The thorax (where the legs and wings attach) is dark brown or black, and the wings are tinted a dark brown. The abdomen has regular black and orange horizontal stripes.

Depending on the bee caste (drone, worker or queen) the size varies between 2.5 cm to 5 cm.

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