This page lists 24 insects.
4 are nonnative. Vermont Fish & Wildlife Department gives a total of 17; the 24 here are the insects official sources name one by one.
Not every species: no complete official list of Vermont insects exists, so this page covers the ones state and Extension sources name. How lists are built.
Which insects can hurt you
Official sources single out these insects in Vermont, in their own words:
Disease. “Some mosquitoes can carry viruses that cause disease, including West Nile virus (WNV), Eastern equine encephalitis (EEE), and Jamestown Canyon virus (JCV).” Vermont Department of Health
All 24 insects
From A to Z. Do not handle them.
No confirmed photo of American Bumble Bee
American Bumble Bee
Bombus pensylvanicus
Not stated
Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
state endangered; federal status UR (code not defined in the list legend); SGCN (Vermont Wildlife Action Plan); state rank S1
No confirmed photo of Ashton Cuckoo Bumble Bee
Ashton Cuckoo Bumble Bee
Bombus ashtoni
Not stated
Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
state endangered; SGCN (Vermont Wildlife Action Plan); state rank SX
No confirmed photo of Asian Longhorned Beetle
Asian Longhorned Beetle
Anoplophora glabripennis
Not stated
Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Size
Missouri: workers 1/2 to 3/4 inch, queens 3/4 inch. University of Maryland: workers 5/8 to 3/4 inch, queens just over an inch. Penn State gives 13 to 20 mm for the queen and her offspring.
How to recognize it
Not yellow, unlike typical yellowjackets; larger, black and ivory
Large, rounded, gray paper nest hanging in trees or shrubs, sometimes on buildings
Nest entrance is the lowest opening of the cone- or egg-shaped nest
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
state threatened; SGCN (Vermont Wildlife Action Plan); state rank S3
When insects are active in Vermont
Records of insects in Vermont peak in June to August. They show when people record insects, not how many there are (about month bars).
JanFebMarAprMayJunJulAugSepOctNovDec
96,716 records of insects in Vermont by month (GBIF, CC0 and CC BY records).
Blacklegged tick activity peaks in May–June and again in October–November; ticks may be active any time temperatures are above freezing. Vermont Department of Health
Stinging wasps and hornets grow more numerous and defensive as the season progresses; in Vermont most die in winter cold. University of Vermont Extension
If you are bitten or stung
Call 911 or Poison Help at 1-800-222-1222 right away. Poison Help connects you to your local poison center, any time of day.
Official advice from Vermont Fish & Wildlife Department, Northern New England Poison Center and University of Vermont Extension:
Bears: never feed bears; feed birds only December to March; secure trash, pet food, chickens and beehives. Report a bear in a residential area or an aggressive bear to Vermont Fish & Wildlife. Vermont Fish & Wildlife Department
Suspected poisonous bite or sting: call 911 or Poison Help at 1-800-222-1222 (Northern New England Poison Center). Northern New England Poison Center
Stinging insects: if you are allergic to bee or wasp stings, do not deal with a nest yourself. University of Vermont Extension
How to report
Reptiles and amphibians (including Timber Rattlesnake sightings): Vermont Reptile and Amphibian Atlas (vtherpatlas.org). Bear incidents and rare animals: F&W Citizen Reporting forms. Invasive insects and aquatic animals: vtinvasives.org Report It! pages. Wildlife conflicts: U.S. Department of Agriculture's Animal Damage Control Unit (name as given on the F&W page), Berlin VT, 802-223-8690. Vermont Fish & Wildlife Department
Reptiles and Amphibians of Vermont. Vermont Fish & Wildlife Department (Vermont Natural Heritage Inventory). document dated 13 March 2022; checked November 3, 2026.
Bumblebees of Vermont. Vermont Fish & Wildlife Department (Vermont Natural Heritage Inventory). document dated 07 December 2022; checked November 3, 2026.Quoted passages (1)
“…some are stinging insects and pose a serious risk to people and pets”
“If you know you are allergic to bee or wasp stings, do not deal with the nest yourself.”
“In Vermont, most of these stinging insects die from the cold winter temperatures”
Spotted Lanternfly. Vermont Invasives (website of Vermont Department of Forests, Parks and Recreation and UVM Extension, per site footer). undated page; checked November 3, 2026.
Emerald Ash Borer in Vermont. Vermont Invasives (website of Vermont Department of Forests, Parks and Recreation and UVM Extension, per site footer). undated page; checked November 3, 2026.
Hemlock Woolly Adelgid. Vermont Invasives (website of Vermont Department of Forests, Parks and Recreation and UVM Extension, per site footer). undated page; checked November 3, 2026.
Spongy Moth Formally Gypsy Moth. Vermont Invasives (website of Vermont Department of Forests, Parks and Recreation and UVM Extension, per site footer). undated page; checked November 3, 2026.Quoted passages (2)
“Older larvae (caterpillars) are brownish-gray, with tufts of hair on each segment and a double row of five pairs of blue spots, followed by six pairs of red spots, on the back.”
“Mature larvae are from 1 1/2 to 2 1/2 inches long.”
Asian Longhorned Beetle. Vermont Invasives (website of Vermont Department of Forests, Parks and Recreation and UVM Extension, per site footer). undated page; checked November 3, 2026.
Mosquito-Borne Diseases. Vermont Department of Health. updated June 22, 2026; checked November 3, 2026.Quoted passages (2)
“Some mosquitoes can carry viruses that cause disease, including West Nile virus (WNV), Eastern equine encephalitis (EEE), and Jamestown Canyon virus (JCV).”
“Mosquitoes are active in Vermont from spring through fall.”
Living with Black Bears. Vermont Fish & Wildlife Department. undated page; checked November 3, 2026.Quoted passages (1)
“If you see a bear in a residential area or you encounter an aggressive bear, please contact the Vermont Fish & Wildlife Department.”
Is that snake or spider poisonous? Northern New England Poison Center. blog post dated July 10, 2013; checked November 3, 2026.Quoted passages (1)
“If you think you have been bitten by a poisonous animal, call the poison center at 1-800-222-1222 or chat online.”
Tick Activity in Vermont. Vermont Department of Health. updated April 24, 2026; checked November 3, 2026.Quoted passages (1)
“In Vermont, blacklegged tick peak activity typically occurs in May and June when nymphal ticks are looking for a host. Tick activity increases again in October and November”
Citizen Reporting. Vermont Fish & Wildlife Department. undated page; checked November 3, 2026.Quoted passages (1)
“Report incidents of property damage by bears, visits to birdfeeders, compost bins or garbage, bears on porches or decks, damage to bee hives, corn or other crops, and any incident where you feel threatened by a bear.”
_-_Invernadero.jpg){kind=link}
.jpg){kind=link}