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Though news of the Asian Giant Hornets has grabbed the nation's attention, Arkansas residents
have little to worry about. Asian Giant Hornets, also known by their headline-grabbing
name “Asian Giant Murder Hornets,” are properly known to scientists as Vespa mandarinia.
An Asian Giant hornet was found near Vancouver, British Columbia in Canada in late
2019. It was exterminated as an invasive species. Later in 2019, two more were collected
near Blaine, Washington, near the Canadian border. Again, both specimens were exterminated.
There have been several sightings since, including a nest that was successfully destroyed.
Read more about how the nest was destroyed.
It is highly unlikely that Arkansas will see Asian Giant Hornets any time soon. There is practically no
chance at all that wasps and hornets you may see in Arkansas annually are the invasive
Asian Giant Hornets. They have been confirmed near busy Pacific ports where there
is a lot of container shipment activity from Asia. The high mountain ranges and open
plains separating Arkansas from the Pacific Northwest act as significant natural barriers
to the Asian Giant Hornets migration as they reportedly prefer low hills and forest
Hornets and other wasps are all ecologically beneficial by providing biological control
of other pest species, and many are also plant pollinators. Also, all hornet species
can sting, but generally avoid conflict with humans unless provoked.
Asian Giant Hornet
A newly introduced species that has been confirmed by only a few sightings in Whatcom
County, Washington. At up to two inches in length, and with wide, distinct stripes
on their abdomen, Asian Giant Hornets are the world’s largest hornet species. These
hornets usually nest on the ground. Currently, intensive monitoring and eradication
efforts are in places to prevent their establishment.
Asian Giant Hornet abdomen
Asian Giant Hornet face
Asian Giant Hornet top view
European hornets are non-native and were introduced from Europe in the mid-1800s.
They are widely established in the U.S. Queens can reach an inch and a half in length
while workers reach about an inch in length. These queens may appear late to mid spring
to establish new nests where she will stay while her workers forage for food. Their
distinct but variable stripes are irregular in shape but symmetrical. European hornets
usually construct paper nests in hollow trees or other dark, sheltered locations.
European hornets are among the most common hornets mistaken for the Asian Giant Hornets.
European Hornet sideview
European Hornet face
European Hornet top view
Cicada Killer Wasp
Cicada Killer Wasp top view
Cicada Killer Wasp face
Baldfaced hornets are native to much of North America, but they are not actually a
type of hornet but instead a type of large yellowjacket. Their black and white markings
with white patch on the face give them their common name, baldfaced hornets. They
build large, paper-like nests in trees, containing between 400 and 800 members. They
will aggressively defend their nesting site from perceived invaders.
Baldface Hornet face
Baldfaced Hornet side
Baldfaced Hornet nest
Relatively the size of a honeybee, Eastern yellowjackets are hairless and boldly striped.
Their colonies consist of hundreds to thousands of individuals, usually underground
and in other dark cavities. They may defend their nest site aggressively. Yellowjackets
are often considered pests because of their attraction to sweet foods.
Eastern Yellowjacket body
Eastern Yellowjacket top view
Thank you for your vigilance! Eradication of any new invasive species requires quick
action before it can spread and become established. This requires dedicated cooperation
between scientists, government agencies and observant citizens. If you think you
have killed or captured an Asian Giant Hornet, you can submit a specimen to your local county Cooperative Extension office for identification.
Please do not bring in live specimens! Place it in a jar in the freezer overnight
to preserve it. While an actual specimen is best, sometimes good, clear close-up
photos may be enough. If you wish to submit a photo, include an object of known size
in the picture for scale (a ruler is great, but a penny is exactly ¾” across and a
quarter is just under 1” in diameter). Include photos from the top, bottom, sides and front, clearly showing the pattern of stripes for best identification.
Download a Quick ID guide here!
Contact your local county Cooperative Extension office and talk to your county agent for more information.