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White shouldered bumble bee

White shouldered bumble bee

Bombus appositus

A species of Bumble bees, Also known as White-shouldered Bumble Bee

Bombus appositus is a species of bumblebee known commonly as the white-shouldered bumblebee. It is native to western North America, including western Canada and the western United States. This species lives in open habitat, such as meadows and slopes. It nests underground or on the surface. Males congregate to seek mates. It feeds on a variety of plant taxa, including giant hyssops, thistles, gentians, owl's clovers, locoweeds, penstemons, and clovers. It especially favors subalpine larkspur (Delphinium barbeyi) and it serves as one of the plant's main pollinators. This species is a host to Bombus insularis, a species of cuckoo bumblebee.

Does the White shouldered bumble bee sting humans?
Human Stinging
General Info About White shouldered bumble bee
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Attributes of White shouldered bumble bee
Colors
Brown
Black
Yellow
White
Habitat
mountain meadow; slope
Adult Food Sources
Nectar, pollen, honey
Larva Food Source
Pollen, nectar, honey, royal jelly
Biting/stinging
The White shouldered bumble bee may bite humans actively. Please stay away from it.
Allergy-causing
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
The White shouldered 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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Life Cycle of White shouldered bumble bee
Egg Upon hatching, the egg releases a tiny larva. The eggs are usually white or off-white and laid in clusters.
Larva The larva is worm-like, lacking true legs and with a soft, elongated body. This stage is dedicated to feeding and growth, with the larva molting several times before pupation.
Pupal The pupal stage is a transitional phase. The white shouldered bumble bee is encased in a protective cocoon, undergoing a complete transformation. Within, structures for the adult are forming.
Adult Emerging from the pupa, the adult white shouldered bumble bee's development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, and the adult is mobile, focusing on reproduction.
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Predators of White shouldered bumble bee Larvae
Birds, mantises, rodents, spiders
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Predators of Adult White shouldered bumble bee
Birds, rodents, spiders, various insectivorous insects
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Interesting Facts About White shouldered bumble bee
The white shouldered bumble bee has the remarkable ability to regulate its body temperature even in colder environments, using muscle vibrations for heat generation.
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Scientific Classification of White shouldered bumble bee
Class
Bugs
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Order
Bees
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Tips for Finding White shouldered bumble bee
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Youth Habitat of White shouldered bumble bee
Forests and Woodlands, Grasslands and Prairies, Mountain and Alpine Regions
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Adult Habitat of White shouldered bumble bee
Forests and Woodlands, Grasslands and Prairies, Mountain and Alpine Regions, Agricultural and Cultivated Areas, Urban and Suburban Areas
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How Can You Attract White shouldered bumble bee
Sweet plant-based solutions such as sugar water or plant nectar attract white shouldered bumble bee.
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Habitat Preferences of White shouldered bumble bee Through Different Life Stages
The white shouldered bumble bee in its larval stage is commonly found in underground nests, often in abandoned rodent burrows or natural cavities in the soil, where queen white shouldered bumble bee lay their eggs and raise their brood. The adult white shouldered bumble bee frequent meadows, gardens, and fields, particularly where flowering plants are abundant, as they forage for nectar and pollen. To locate larvae and pupae, one would search beneath the surface in well-drained, sunny locations, looking for nest entrances characterized by small mounds of soil or debris. Finding adult white shouldered bumble bee requires visiting areas with ample floral resources during blooming seasons, where they can be seen busily moving from flower to flower.
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When is the Best Time to Observe White shouldered bumble bee
Daytime, particularly in the morning when temperatures are moderate, is ideal for finding white shouldered bumble bee.
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What is the Best Weather to Observe White shouldered bumble bee
Warm and dry weather conditions are best suited for locating white shouldered bumble bee.
Are White shouldered bumble bee harmful?
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Are White shouldered 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 White shouldered bumble bee
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Human Stinging
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Does the White shouldered bumble bee sting humans?

White shouldered bumble bee does not generally sting humans unless provoked, typically when their nest is disturbed or they feel threatened. Unlike some Hymenopterans, white shouldered bumble bee's sting is not barbed, making it possible for them to sting multiple times without harming themselves. Females have the ability to sting, as males do not possess a stinger. Stings can cause pain, swelling, and allergic reactions in humans.

More Effects of White shouldered bumble bee

Beneficial Effects of White shouldered bumble bee
Discover the hidden benefits of insects
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
Attract Plant Feature
Color, Smell
Pollination Behavior Reason
Collect Pollen To Feed Offspring, Eat Pollen Or Nectar
White shouldered bumble bee is a diligent pollinator, often seen buzzing from flower to flower. Attracted by the vibrant colors and enticing scents, it gathers pollen to nourish its young and to consume. It has a penchant for Asteraceae and fruit trees, where it performs the vital role of pollination, inadvertently transferring pollen as it moves.
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