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Rusty patched bumble bee

Rusty patched bumble bee

Bombus affinis

A species of Bumble bees

The rusty patched bumble bee (Bombus affinis) is the first bee from the US mainland to be added to the endangered species list. Their population has reduced heavily, causing them to become at risk of extinction. If given enough time, nests that are converted from rat burrows can house around 2000 bees.

Does the Rusty patched bumble bee sting humans?
Human Stinging
General Info About Rusty patched bumble bee
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Attributes of Rusty patched bumble bee
Colors
Brown
Black
Habitat
sand dune; farmland; wooded area; ditch; field; wetland (marsh)
Defensive attack
The Rusty patched bumble bee has special defensive behaviors that can trigger an allergic reaction. If there are serious reactions, seek IMMEDIATE medical attention.
Venomous
The Rusty patched bumble bee can induce toxic reactions varying in severity. Nevertheless, these toxins primarily target their prey and predators and are usually not fatal to humans.
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
The Rusty patched bumble bee feeds on plants, usually without causing significant harm. However, it's important to take the situation seriously if their numbers begin to increase significantly.
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Chewing-lapping mouthparts
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Species Status of Rusty patched bumble bee
It is distributed in the United States and Canada. Its historical range in North America has been throughout the east and upper Midwest of the United States, north to Ontario, Canada, where it is considered a "species at risk". Its numbers have declined in 87% of its historical habitat range.
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Distribution Area of Rusty patched bumble bee
North America, throughout the east and upper Midwest of the United States
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Adult Size of Rusty patched bumble bee
13 cm
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Predators of Rusty patched bumble bee Larvae
Amphibians such as frogs and toads, insectivorous birds, various arachnids like spiders, predatory insects such as wasps and mantises
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Predators of Adult Rusty patched bumble bee
Birds, spiders, mantises, dragonflies, small mammals like rodents
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Interesting Facts About Rusty patched bumble bee
Rusty patched bumble bee's can buzz-pollinate, which involves vibrating flowers to shake the pollen out, a technique not all pollinators can perform.
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Scientific Classification of Rusty patched bumble bee
Class
Bugs
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Order
Bees
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Tips for Finding Rusty patched bumble bee
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Youth Habitat of Rusty patched bumble bee
Grasslands and Prairies, Forests and Woodlands, Agricultural and Cultivated Areas, Urban and Suburban Areas
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Adult Habitat of Rusty patched bumble bee
Grasslands and Prairies, Forests and Woodlands, Agricultural and Cultivated Areas, Urban and Suburban Areas
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When is the Best Time to Observe Rusty patched bumble bee
The optimal time to search for rusty patched bumble bee is during warm and sunny days when they are most active, typically between late morning and early afternoon.
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What is the Best Weather to Observe Rusty patched bumble bee
Dry and mild weather conditions are suitable for finding rusty patched bumble bee as they are less active in cold or rainy weather.
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How and Where Can You Find Rusty patched bumble bee at Different Life Stages
Larva Rusty patched bumble bee larvae can be found in the nests built by their colony. To find them, locate a rusty patched bumble bee nest by careful observation of flying adults returning to the nest site, and then investigate the nests with appropriate protection and permission.
Pupal Rusty patched bumble bee pupae remain inside the nest in cocoons. Finding them requires identifying an active rusty patched bumble bee nest and observing it to locate the stage where cocoons are kept, typically in a secure and controlled manner.
Adult Adult rusty patched bumble bee can be found foraging for nectar and pollen on flowering plants. Look for them in habitats with a variety of flowers, carefully approaching plants rusty patched bumble bee are known to favor without disturbing them.
Are Rusty patched bumble bee harmful?
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The rusty patched bumble bee can cause toxic reactions with a wide range of severity. However, the toxins are typically targeted at their prey and predators. They are usually not fatal to humans.

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Are Rusty patched bumble bee harmful to humans?

Most bees are docile and only sting when they are irritated. The sting needles of bees are sharp and toxic, and people will obviously feel pain after being stung. Some bees may also cause swelling, redness, fever and itching. Some sensitive people may experience more severe symptoms or even death.
Harmful Effects of Rusty patched bumble bee
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Human Stinging
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Does the Rusty patched bumble bee sting humans?

Rusty patched bumble bee typically sting only when they sense a threat to their territory or themselves. Females possess a sting and will do so to defend their nests. However, instances of stinging humans are rare compared to other Hymenopterans, as rusty patched bumble bee are generally not aggressive. Stings can cause pain and swelling, but this species is not known for multiple stings since, unlike honeybees, stinging does not result in their death.

More Effects of Rusty patched bumble bee

Beneficial Effects of Rusty patched bumble bee
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Explore how insects help as pollinators, pest predators, and biocontrol agents. From seed dispersal to decomposition, they play vital roles in our ecosystem.
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Pollinator
Pollinator
Prefer Plant Type
Asteraceae, Fruit Trees
Attract Plant Feature
Color, Smell
Rusty patched bumble bee is a vital pollinator that visits various flowers, particularly favoring those of the Asteraceae family and fruit trees. Attracted by the vibrant colors and enticing scents, rusty patched bumble bee collects pollen to nourish its offspring and also consumes some in the process. Their fuzzy bodies inadvertently transfer pollen from one flower to another, facilitating plant reproduction.
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