Damon Mcknight
Bumblebees are large, fluffy, and cute, but none of these bees are native to Australia. The only place to see bumblebees in Australia is in Tasmania, where one invasive species has been introduced from overseas. Bumblebees are efficient pollinators of crops such as tomatoes, cucumbers, and eggplants, and they are commonly used for this purpose in overseas countries. However, they pose a significant threat to the natural environment if they escape and become feral. Australia has repeatedly rejected applications to import bumblebees due to the potential harm they could cause to native fauna and flora.
| Characteristics | Values |
|---|---|
| Bumble bees native to Australia | No |
| Places in Australia where bumble bees are found | Tasmania |
| How did bumble bees reach Tasmania | Smuggled from New Zealand in the 1990s |
| Species of bumble bee found in Tasmania | Bombus terrestris (large earth bumblebee) |
| Other bees found in Australia that may be mistaken for bumble bees | Carpenter bees, teddy bear bees |
| Concerns about bumble bees in Australia | Competition with native bees and birds, Spread of weeds, Spread of honeybee diseases |
| Benefits of bumble bees in Australia | Pollination of crops like tomatoes, cucumbers, and eggplants |
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What You'll Learn
Bumblebees are not native to Australia
The large earth bumblebee is easily recognizable by its extreme furriness and three-colored bands in black, yellow or ochre, and white. The queen bees differ slightly, with buff-colored rear ends instead of white. These bees are larger than honeybees, with workers measuring 8-22 millimeters long and queens reaching 25 millimeters in length.
Despite their excellent pollination abilities, the introduction of bumblebees to mainland Australia is strongly opposed due to the potential negative impacts on native flora and fauna. Bumblebees are known to escape from crop greenhouses and invade the surrounding areas, leading to possible issues such as increased weed spread, competition with native pollinators, reduced seed set in wildflowers, and the transmission of parasites and pathogens.
Horticulture Australia, however, has a differing opinion. They argue that there is little risk to the environment from bumblebees. The tomato industry, in particular, has repeatedly petitioned to import bumblebees to aid in crop pollination and reduce manual labor costs. These applications have been consistently rejected by the government due to the potential environmental harm they could cause.
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The large earth bumblebee is an invasive species in Tasmania
The large earth bumblebee, or Bombus terrestris, is a European bee species that is not native to mainland Australia. However, it has become an invasive species in Tasmania, an island state located off the southern coast of the Australian mainland. The large earth bumblebee is believed to have been illegally introduced to Tasmania in the early 1990s, possibly through smuggling from New Zealand. Since then, it has spread rapidly across the island, becoming a common sight.
The large earth bumblebee is a highly efficient pollinator, making it desirable for crop pollination. This has led to repeated attempts by the tomato industry to import the species into mainland Australia. However, the Australian government has consistently rejected these applications due to the potential environmental risks posed by the bees.
In Tasmania, the large earth bumblebee competes with native bees and birds for nectar, impacting the food sources of critically endangered species like the swift parrot. Additionally, the bees benefit the spread of weeds by pollinating their flowers. The bees' superior pollination abilities can exacerbate weed problems, particularly for plants that have evolved specifically with bumblebee pollination.
The presence of large earth bumblebees in Tasmania raises concerns about their potential spread to the Australian mainland. The bees could inadvertently be transported via sea or air travel, threatening native ecosystems and agriculture. To prevent their introduction to the mainland, people are advised to report sightings outside of Tasmania and to contact the Exotic Plant Pest Hotline.
The large earth bumblebee is easily recognizable due to its distinctive appearance. It is larger, plumper, and furrier than native honeybees, with extreme furriness and bands of three colors: black, yellow or ochre, and white. The queen bees differ by having a buff-colored rear end instead of white.
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The Australian government has rejected applications to import bumblebees
The Australian government has rejected multiple applications to import bumblebees, citing the major threats that exotic bumblebees pose to bushland and agriculture. Bumblebees are efficient pollinators of crops such as tomatoes, cucumbers, and eggplants, and are used extensively in many overseas countries for this purpose. However, they are also notorious for their ability to escape from crop greenhouses and invade the surrounding countryside.
In 1997 and 2004, horticulturalists applied to import the European bumblebee, Bombus terrestris, into Australia for crop pollination. Both applications were rejected by the government due to concerns about the impact of exotic bees on the environment. A second application by horticulturalists to import live bumblebees was rejected by the Federal Government in 2008, with the Environment Minister citing the potential environmental and economic risks of a large earth bumblebee population spreading throughout mainland Australia.
The large earth bumblebee is an invasive species in Tasmania, and its presence on the Australian mainland would be concerning. This species is a superior pollinator for northern hemisphere plants adapted for bumblebee pollination, and its introduction could worsen weed problems in Australia. Bumblebees compete with native bees and birds for nectar, reducing seed set in wildflowers and potentially robbing native birds of food. They can also spread parasites and pathogens and contribute to the rapid spread of weeds, including exotic species not yet established in the country.
Despite these risks, there has been continued pressure from the horticultural industry to allow the importation of bumblebees. The tomato industry, in particular, has repeatedly applied to import bumblebees to avoid the need for costly hand-pollination. Some have also argued that the presence of bumblebees in Tasmania increases the risk of their introduction to the mainland, providing a stronger incentive for illegal smuggling and release. However, the Australian government has maintained its rejection of bumblebee imports, prioritizing the protection of native species and ecosystems.
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The bumblebee was smuggled into Tasmania from New Zealand
Bumblebees are not native to Australia, including its island state Tasmania. However, they have been introduced to Tasmania, with the first sightings reported in 1992. The large earth bumblebee species, or Bombus terrestris, is believed to have been smuggled into the state from New Zealand, either accidentally or deliberately.
The introduction of bumblebees to Tasmania is a contentious issue. On the one hand, bumblebees are efficient pollinators of crops such as tomatoes, cucumbers, and eggplants, which has benefited the tomato industry in Tasmania. This is because bumblebees perform "buzz pollination," a specific vibration of their wings that induces very efficient pollination. As such, there is a lobby pushing for the introduction of more bumblebees to Tasmania for crop pollination.
On the other hand, bumblebees are an invasive species in Tasmania and pose a risk to the natural environment. They compete with native bees and birds for nectar, and they benefit weeds by pollinating their flowers. Scientists have found "clear evidence for a positive link between the spread of weeds and the presence of introduced bees." Additionally, bumblebees can spread honeybee diseases and parasites, and their introduction could lead to the introduction of new genetic stock, further increasing environmental impacts.
The Australian Honeybee Industry Council has expressed concerns that bumblebees will be a "great biosecurity risk" to the honeybee industry. There are also fears that the presence of bumblebees in Tasmania could create an incentive to smuggle them into the mainland, where they could cause even more damage to native flora and fauna. As such, the federal environmental law prohibits the possession or use of any exotic species not permitted for import, even if they are already in the country. Despite this, there have been repeated attempts by the tomato industry to import bumblebees into the mainland, all of which have been rejected due to the high likelihood of environmental harm.
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Bumblebees are superior pollinators for northern hemisphere plants
Bumblebees are not native to Australia, although there have been sightings of the species Bombus terrestris, or the large earth bumblebee, in Tasmania. This species is common in Tasmania, but it is considered invasive, and its presence on the Australian mainland is a cause for concern.
Bumblebees are superior pollinators for many northern hemisphere plants. They are used to pollinate crops such as tomatoes, cucumbers, eggplants, cranberries, blueberries, strawberries, plums, zucchinis, melons, sweet peppers, and seed crops like alfalfa, red clover, cotton, and sunflowers. They are especially good at pollinating plants with long, narrow corollas, such as tomatoes, where the pollen is held tightly within the anthers. This is because bumblebees are able to vibrate their bodies at particular frequencies to dislodge the pollen—a process known as "buzz pollination." Their longer tongues also make them more effective pollinators than honeybees for certain plant species.
Bumblebees are also able to forage in cooler temperatures than other bees. This makes them excellent pollinators for spring and early summer crops like apples and cranberries. They can also be used for pollination in greenhouses, where they can be kept in cardboard hives with plastic internal components. To encourage bumblebees to nest, one can leave areas of farmland uncultivated or plant hedge rows that queens will find attractive for nesting sites.
The superior pollination abilities of bumblebees, however, pose a risk to Australia's natural environment. Scientists have noted a "positive link between the spread of weeds and the presence of introduced bees." Because bumblebees are superior pollinators for northern hemisphere plants, they could enhance the seed production of weeds in Australia that are currently minor or non-existent due to a lack of suitable pollinators.
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Frequently asked questions
No, bumblebees are not native to Australia.
Bumblebees are found in Tasmania, but not on the mainland.
The species found in Tasmania is the large earth bumblebee, or Bombus terrestris.
It is believed that bumblebees were illegally smuggled into Tasmania from New Zealand in the early 1990s.
Bumblebees are an invasive species in Tasmania and pose a risk of spreading to the mainland. They compete with native bees and birds for nectar and can worsen weed problems by serving as superior pollinators for certain plants.
