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The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
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California officials confirm 2 cases of dengue, a mosquito-borne illness rarely transmitted in US
Public health officials say two people in Southern California people have come down with dengue fever without traveling outside the United States, where the mosquito-borne illness is rare.
Long Beach, California, United States
AP News

Later frosts could make new crops possible in Alaska, but climate change brings challenges, too
Shifting seasons and hotter temperatures could allow Alaska farmers to grow more abundant and diverse produce. But climate change can also bring drought, pests and permafrost thaw.  Human-caused climate change is bringing longer and warmer growing seasons, but also pests and unstable weather.
Fairbanks, Alaska, United States
KTOO

Mosquito-borne diseases found in emus, horses in Maine
Viruses have now been found in mosquitoes or in animals around the state, prompting health officials to warn Maine residents to protect against mosquito bites. The Maine Center for Disease Control and Prevention reported positive tests for eastern equine encephalitis, or EEE, in several emu flocks and multiple horses. Also, a horse tested positive for West Nile Virus in York County.
Maine, United States
Press Herald

Scientists say Tongass trees could bounce back from budworm infestation
Scientists with the U.S. Forest Service believe that the blackheaded budworm, whose numbers surged over the past three years, is now in decline.
Chichigof Islands
Alaska Public Media

What is the reason for large numbers of dead bees spotted in Inverness?
The spectacle of "hundreds" of dying or dead bees along the River Ness earlier this week led to a discussion on social media.
Inverness, Scotland, United Kingdom
Inverness Courier

Fireweed blooms hindered by foam?
Foam or saliva-looking substance on seen on flowering plants like fireweed and yarrow.
Anchorage, Alaska, United States
Derek Sikes, Julia Salt, Brandie Radigan, Chyna Williams

5 people contract malaria within U.S. borders — first such cases in two decades
The last confirmed instance of local transmission happened in 2003, when eight people became infected in Palm Beach County, Fla., the CDC said.
United States
Washington Post

What kind of insect?
Tribal member from St. Mary's, Alaska noticed this on her when she went back inside her home. Turns out it is an elm sawfly, Cimbex americana.
St. Mary's, Alaska, United States

Insects in January
An unseasonable winter insect sighting in Newhalen.
Newhalen, Alaska, United States

Canada's bee colonies see worst loss in 20 years, explosion of mites blamed
Nearly half of Canada's honeybee colonies didn't survive the winter, the largest rate of colony loss in the country in the last 20 years, according to preliminary data. The president of the Canadian Association of Professional Apiculturists calls the finding "pretty disturbing."
Canada
CBC

"Should have received four tons of plums"
Norwegian fruit farmers are seeking compensation for poor harvests due to extreme weather conditions, with over 1,000 farmers applying for compensation this year, compared to under 500 last year, as cold weather destroyed crops in the west and north, while drought hit the east and inland areas.
Linge farm, Valldal, Fjord community, Vestland
NRK

False long-horned beetle (Stenotrachelus aeneus)
Black insect never seen by a Yupiit of Andreafski Tribal member at his home in St. Mary's.
St. Mary's, Alaska, United States
Bambi Alexie, Derek Sikes, Charles Prince, Elizabeth Graham, Eric Alstrom

The spruce beetle invasion’s exhausting toll on Southcentral Alaska property owners
For property owners, the beetles present a vexing scenario, as some scramble to keep their trees alive while others mourn the loss and embark on the oftentimes costly removal process.
Anchorage, Alaska, United States
Anchorage Daily News

Southeast Alaska’s budworm infestation is still going, and they seem to be moving on to spruce trees
Last summer’s unusually warm weather fueled an explosion in the western blackheaded budworm, leaving masses of browning trees in many areas of Southeast. The worm, which is the larval stage of the budworm moth, is known to feed on the new growth of trees, leaving them with a brownish-red appearance.
Sitka, Alaska, United States
KCAW - Alaska Public Media

Infestation of caterpillars
A resident of Seldovia reported an infestation of worms infesting an area of salmonberry brush and nettle.
Seldovia Village, Alaska, United States

Unknown Insect
This eye catching insect is the adult stonefly.
St. Mary's, Alaska, United States

Spittle bug widespread in Clare, Ireland
I saw an extreme amount of spittle bugs not only on grasses and plants but on flowers.
Liscannor, Munster, Ireland

Mosquitoes are unusually dense and vicious all of a sudden
Our Mosquito Magnet trap filled in under a week. We normally empty it once a month or so.
Ester, Alaska, United States

Tent caterpillar infestation returns to Castle Valley
The spraying 20 years ago was effective in reducing the infestation to a manageable level and seemed to do so for quite a while. That is, until now. Merrill Brady told me last week that he is inundated with tent caterpillars this year. His property is down by the greenbelt lots and the caterpillars are stripping the 60-foot cottonwoods and all other vegetation of all of their leaves.
Moab, Utah, United States
The Times-Independent

Here winter has become two months shorter
Winter will never be the way it was, according to scientists. Towards the end of the century, the Norwegian Meteorological Institute predicts that the winter weather will gradually disappear from Oslo.
Bodø, Nordland, Norway
NRK

The hunting tick has been discovered in Norway
The tick can carry hemorrhagic diphtheria. The disease is widespread in the Middle East, Africa and Asia. In addition, some cases have been seen in southern Europe. The fever can cause serious illness in humans.
Vestby, Akershus, Norway
NRK

Southern temperatures in Northern Norway – warmer in Narvik than in Rome
This morning it was as hot in Narvik as in Rome and Istanbul, and far warmer than countries in southern Europe. However, the mild air is on the wane.
Narvik, Nordland, Norway

Discovery of fly larvae positive sign for salmon
Volunteers from the Friends of Bowker Creek Society say uncovering caddisfly larvae in the gravel beds of the stream show the water quality has improved to a level sufficient to sustain salmon and cutthroat trout.
Bowker Creek, Oak Bay, British Columbia, Canada
CTV News, Vancouver Island

Large number of flies in our home
"We had never before observed a species of the order Diptera, aside from the mosquitos present every year. Around the middle of September this year, however, there was a large influx of houseflies into our home."
Wasilla, Alaska, United States

Was stung by giant wasps – ended up in the emergency room
Nina was going for a walk with the dog when she felt a sting on her toe. On the floor lay a European hornet, the largest wasp in Northern Europe. She is allergic to wasps and immediately realized that this could be dangerous. After a few minutes, her foot swelled up. She became dizzy and her pulse raced.
Øvre Vang, Hamar, Innlandet, Norway

Ants are moving house - is this because of the rain?
Ants carrying white rice like objects out of their nest.
Anchorage, Alaska, United States

Dry weather leads to increased wasp presence
In the Northwest this summer dry weather conditions resulted in an above average wasp population.
Saskatchewan, Canada
Northern Pride Publications

Agriculture Officials Really Want Those Spotted Lanternflies Gone, Gone, Gone
Pennsylvania officials are giving the following advice to those who encounter the pesky invasive insects: "Kill it! Squash it, smash it ... just get rid of it."
Pennsylvania, United States
NPR.org

1st live Asian giant 'murder hornet' of 2021 spotted in Washington state
Entomologists confirm the report of the world's largest hornet — a worrisome invasive species that originates from East Asia and Japan — by a person in a rural area near the Canadian border.
Blaine, Washington, United States
Alaska Public Media

He has lived for 74 years – for the first time the river is dry
Extreme drought in the west means that households with private waterworks are out of water. Elvar's dried up. "The situation is very serious," he says.
Skinlo, Breim, Vestland, Norway

Insect eating red currant leaves
Red currant leaf consumption by something was observed by my supervisor while walking along a salmon stream.
Lazy Mountain, Alaska, United States

Larva of water beetle (Dytiscus)
Tribal member of St. Mary's finds the larva of a predaceous diving beetle.

Spittlebugs galore in Sand Lake area
"I am seeing spittlebugs deposits everywhere I look in the Sand Lake area."

30 percent have been bitten
The notorious lúsmý (Culicoides reconditus), a species of biting midge that has colonised Iceland for the first time in the past few years. The tiny flies can cause severe reactions, with large, sore, itchy spots that can remain angry for a week or more, and sometimes spread into a sort of rash.
Húnaþing vestra, Northwestern, Iceland
RÚV

Caterpillars on Kesugi Ridge
Hikers on Kesugi Ridge observe a large abundance of Rusty Tussock Caterpillars all over cairns marking the trail from Coal Creek to Byre's Lake. They swarmed on the hiker's bodies and packs and from a distance covered structures to the point where they looked black.
Chase, Alaska, United States
Jessie Moan, Carl Roland, Kendra Wissel, Adrienne Fleek, Sarah Stehn

N.W.T. has now detected mosquito borne viruses
Of the 92 pools of mosquitoes tested, 30 had at least one mosquito that tested positive for California serogroup viruses. There has been one confirmed diagnosis of meningoencephalitis — a severe neurological condition — caused by the snowshoe hare virus. There have been no positive cases yet of West Nile Virus.
Whitehorse, Yukon, Canada
CBC

Maine Has a Dangerous, Small, and Very Itchy Problem
Climate change is keeping temperatures higher in the fall, setting up browntail-moth caterpillars to boom in summer. Their hairs are barbed and hollow and there’s a reservoir of a toxin inside.
Portland, Maine, United States
The Atlantic

There's a lot of flies in the mountains and heat, but there are things you can do to cope
Millions of small black flies have taken over mountains and hiking trails. "I thought it was horrible," says Pernille Frøskeland.
Skrovtinden, Reipå, Nordland, Norway
Sofie Retterstøl Olaisen, Emma Skau Solås

European Skipper (Thymelicus lineola) in Northwest, BC
A European Skipper butterfly is observed in Northwest BC, an introduced species and one of several stressors underlying insect declines.
Smithers, British Columbia, Canada

Lymantria dispar dispar outbreak
Lymantria dispar dispar also known as spongy moth was observed in Waterloo Ontario to be in unusually large quantities during the summer of 2021.
Waterloo, Ontario, Canada

Tiny insects ate the needles off a half million acres of Tongass hemlocks. Most of the trees will be fine.
Dead crowns in the canopy and rusty-colored branches are woven in with the otherwise healthy, green temperate rainforest. About a third of the trees around here were hit by the voracious sawfly. The larvae get mistaken for caterpillars. Adults are a kind of non-stinging wasp, a little smaller than a pinky finger.
Juneau, Alaska, United States
KTOO

Mysterious black substance on Wells Beach turns out to be millions of dead bugs
The black substance was staining the feet of people at the beach, prompting one local resident to alert state officials.
Wells Beach Station, Maine, United States
Press Herald

Probably the world's northernmost observed narrow-bordered bee hawk-moth
Tine Aastrøm Lorentzen was on a trip in Rana and noticed what she thought was a bumblebee, but it was suspiciously silent. "It looked like a crossover of a bumblebee and a butterfly. I studied it more closely and found that I had to film this, because I had never seen anything like this before," she tells NRK. The latin name of that insect is *Hemaris tityus.*
Sjona, Rana, Nordland, Norway

This giant mosquito attracts attention – Never seen such a mosquito
As the weather gets warmer, the mosquito comes to life. Also in North Norway. But when Frank Pedersen enjoyed himself in the sun on 17 May, he was "attacked" by a mosquito he has never seen in Nordland before. It was Great house mosquito, Culiseta annulata.
Skarberget, Narvik, Nordland, Norway

70-year-old Texas man dies after being attacked by aggressive swarm of bees while mowing his lawn
A Texas man died after going into cardiac arrest when he was attacked by an aggressive swarm of bees outside his home, authorities said. Thomas Hicks, 70, was mowing his lawn Monday when he was repeatedly stung by the bees outside his home in Breckenridge.
Breckenridge, Texas, United States
KTLA

Bees emerging in Fairbanks
European Honey Bee a.k.a Western Honey Bee (apis mellifera) spotted with 2 feet of snow still on the ground.
College, Alaska, United States
Katie Spellman, Ian Williams, Chyna Williams

Entomologists vacuum Asian giant hornets out of first nest found in Whatcom County
Washington State entomologists have spent weeks searching, trapping and using dental floss to tie tracking devices to Asian giant hornets in an effort to find the nest and destroy it. The nest was first discovered Thursday in a tree cavity, about eight feet up, on private property in Blaine. Heavily protected crews with WSDA worked to eradicate the nest early Saturday morning.
Blaine, Washington, United States

Worst plum season in 60 years
"It almost snowed when it was flowering. The bees were barely out, and we see the result of that here," said fruit farmer Kari Lutro. The decline for plums is as much as 90 percent, compared with last year.
Lofthus, Hordaland, Norway
Tale Hauso, Jon Bolstad, Sjur Mikal Dolve

Big year for some biting insects, but not mosquitoes
Mosquito populations may be down, but the gnats, no-see-ums, white sox and several other unidentified bugs were relentless.
Chistochina, Alaska, United States

No treasure found under the rainbow: The soil is full of plastic garbage
In the pictures, Måøya looks like a pristine natural gem on the coast of Trøndelag. But when scientists and adolescents started digging into the soil, they got shock.
Måøya, Frøya, Sør-Trøndelag, Norway
Solvår Flatås, Stein Lorentzen, Morten Andersen

Second year of Hemlock Looper Moth (Lambdina fiscellaria) outbreak returns to North Vancouver in larger numbers
The Hemlock Looper Moth outbreak is said to last between 3-4 years and now coincides with an outbreak of Phantom Hemlock Looper which saw its last outbreak more than a decade ago.
North Vancouver, British Columbia, Canada

Grasshoppers are Becoming More Common
Warming temperatures may support growing grasshopper populations along the southern Seward Peninsula.
Koyuk, Alaska, United States

Caterpillar Causing Itchy Skin Likely a Rusty Tussock Caterpillar (Orgyia antiqua)
Rusty tussock caterpillars can cause skin irritation for people when handled individually, and are responsible to large defoliation events when populations are high.
Alakanuk, Alaska, United States

They're everywhere - but do they pinch?
The changing summer weather has led to a scissor-like boom in Southern Norway. Biologist reassures those who feel threatened.
Vestby, Akershus, Norway
Lise Gro Andersen, Christian Nicolai Bjørke, Lars Håkon Pedersen

Russia begins mass vaccination against bubonic plague in danger areas near border with Mongolia
Urgent steps were taken after a wide spread of the pathogen via fleas was detected in two districts - Ovyursky and Mongun-Taiginsky So far 2,500 adults, and 623 children were vaccinated to prevent flea-spreading of the decease.
Republic of Tuva
Siberia Times

Watson Lake resident captures 'first record' of ghost moth in Yukon
A longtime resident of Watson Lake, Yukon, has contributed to the world of science — simply by taking a picture.
Watson Lake, Yukon, Canada
CBC

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