Himalayan giant honey bees are one of the few remaining mysteries in the insect world. These magnificent insects are considered the biggest bee species in the world, and they occupy Himalayan mountainous areas. Besides their size, Himalayan bees have become known for their "mad honey", which contains naturally occurring grayanotoxins from rhododendron nectar.
In this article, we'll talk more about the species, its habitat, and its characteristics.
Himalayan giant honey bee basics
The Himalayan giant honey bee, or Apis laboriosa, is the biggest bee species in the world. Despite its magnificence, we know very little about this beautiful insect. This is because the species only nets on high Himalayan cliffs, which are extremely hard to access for the scientists.
As a result, there are only a handful of people who had the opportunity to study the Himalayan giant honey bee. For the most part, scientists rely on the locals to gather these insects and help them with research.
Aside from its size, the species is world-renowned for the "mad honey" that it produces from rhododendron nectar.
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Himalayan cliff honey bee misconceptions
The Himalayan honey bee size is noteworthy, as adults can reach up to 1.2 inches (3 centimeters) in length. This unique characteristic makes them one of the most substantial species in the insect realm.
The species belongs to the subgenus Megapis (large bees) alongside Apis dorsata. In fact, for the longest time, scientists thought that the incredible insect is a subcategory of Apis dorsata. This all changed in 1980 when Apis laboriosa was classified as a separate species with its set of characteristics.
We also know little about their byproduct – Himalayan mad honey. Its grayanotoxin content can vary depending on where it comes from, which is why every batch is tested by an independent laboratory for its grayanotoxin content.
Apis laboriosa habitat
These beautiful insects nest in Himalayan mountainous areas around the Hindu Kush. Besides this region, you might also find them in certain areas of China, Nepal, India, Bhutan, Vietnam, Myanmar, and Laos. Nevertheless, scientists usually focus on the ones in the Himalayas as the best representative of the species.
Apis laboriosa is, for all intended purposes, a secluded species. Although it interacts with its environment and nearby flora, like all bees, its hives are extremely hard to reach. They are positioned at 2,500 to 3,000 meters above sea level, which makes them unique in the bee world.
Himalayan honey bees experienced a few evolutionary modifications over time, helping them to survive in such a harsh environment. Unlike other bee species, they can nest in high altitudes, which allows them to avoid natural predators.
How big are Himalayan honey bees?
The thing that distinguishes these bees is their size. Adults are 3 centimeters long, making them one of the biggest species in the insect world.
They are also very different from your usual bees in terms of appearance. They are much darker, with dark brown thorax and small hairs protruding from their legs, thorax, and other regions. Another interesting tidbit in regards to Himalayan honey bees is that they don't have the usual bee striping.
As you probably know, all bees fulfill certain roles within the colony, receiving tasks based on their size and other characteristics. In the case of other species, drones are always larger than workers. However, this isn't the case with Himalayan honey cliff bee, where workers and drones are of the same size.
What is the lifecycle of the Himalayan honey bee?
Like moths, wasps, butterflies, and a few other insects, Apis alboriosa goes through holometabolous (complete) metamorphosis. Its lifecycle starts from an egg and transitions into a larva, pupa, and finally, an adult insect. Unfortunately, we don't have complete data about the process, given that scientists couldn't fully research this specific metamorphosis.
Still, this is what experts speculate that the Himalayan honey's lifecycle looks like:
- It takes three days for a bee to progress from the egg to the larva state. As with other bees, eggs are laid by the queens within the hive’s confines
- While more mature, the larva is still defenseless. The future bee relies on workers for care and food. A healthy insect's body will form a C shape, storing food in the cell's bottom. When the larva is old enough, it will send out a chemical signal to workers, notifying them that the insect is ready for the next phase
- During the pupa stage, the bee doesn't need food for development. It will remain in this state for 11 days, during which it will slowly lose previous larval features and will start resembling a mature insect
- After this short period, a bee will pop out of its cell and become a valuable member of the colony
For the most part, workers and drones within the Apis laboriosa colony perform the same tasks as in other bee species. Unfortunately, Himalayan bee queens are still a mystery. It's safe to guess they perform the same function as that in other bee species, but we don't know much about their morphology.
How do Himalayan honey bees behave?
Himalayan honey bees had to evolve so they could live and forage at high altitudes. Living at 3,000 meters, this species can climb another 1,000 meters upward, to 4,100 meter altitudes, to collect pollen and nectar. Himalayan bees make honey from this nectar and use it to feed the colony.
While endemic to the Himalayan Mountains, this species isn't static, as it tends to move to different altitudes throughout the year. Basically, they will relocate from May to October when the weather is warm enough. As the winter comes along and temperatures drop, they will go all the way down to the forest floor. During this period, they don't necessarily nest and live under trees and rocks for warmth.
Giant honey bees have another distinguishing characteristic in “shimmering.” While grouped together on the hive’s exterior, they flap their wings in a synchronized fashion, making them look like a single, large organism. As a result, they look much more intimidating, effectively fending potential attackers from the nest.
What do Apis laboriosa hives look like?
Himalayan honey bees have a completely different approach to nesting compared to other bee species. Besides creating hives on cliffs high above sea level, they are also careful as to how they position them. They create colonies on the southeastern or southeastern side of the cliffs, avoiding potential elemental threats.
These bee hives are much larger than average bee hives, being 100 centimeters wide and 150 centimeters long. Given the hive size, a colony can store much more honey than the average bee species (almost 60 kilograms).
Himalayan bees' hive structure is also interesting. They don't have the usual net of combs like other bee species, and instead, they create a hive with a large open area. One of their priorities is building close to a water source, as this allows them to create honey. Scientists have also noticed that Himalayan bees prefer building colonies on light-colored rocks.
What is mad honey from the Himalayan bees?
The reason why Himalayan giant bees became popular is because they produce "mad honey", a rare honey made from rhododendron nectar.
Rhododendron flowers are the secret behind mad honey. The plant contains grayanotoxins, which carry over from the nectar into the bees’ honey. Interestingly enough, it seems that bees are more than capable of digesting the substance.
The limit for Himalayan mad honey
The limit: never more than 5 g a day – less than one level teaspoon, for adults only. Not recommended for children, during pregnancy or breastfeeding, for people with heart or blood pressure conditions, or if allergic to honey. Taking medication? Ask your doctor first.
Eating more than 5 g a day can cause dizziness, nausea, cold sweats and low blood pressure. If that happens, stop, drink water and rest; if symptoms are severe, call 112 or see a doctor.
Conclusion
Himalayan giant honey bees are a peculiar species that we, unfortunately, don't know much about. In a way, we can say that this insect is the pinnacle of bee evolution, being much larger than other species from the family. They are much more resilient than the other species and have intriguing nesting habits.
Among others, these wonderful insects became popular because of their unique byproduct – mad honey, a rare honey with a distinctive taste.
FAQ
What is the primary diet of the Himalayan cliff bee?
The Himalayan cliff bee primarily feeds on the nectar of various high-altitude flowers, including rhododendrons, which are abundant in their mountainous habitat.
Do Himalayan bees sting?
Yes, Himalayan bees, like most bee species, can sting.
What are the unique challenges in harvesting honey from Himalayan cliff bees?
Harvesting this honey is extremely challenging and dangerous due to the bees' nesting on sheer cliff faces at high altitudes. Harvesters must use traditional methods, such as handmade rope ladders and long bamboo poles, to access the hives, often risking their lives.
How do Himalayan cliff bees adapt to the high-altitude environment?
These bees have adapted to the thin air and cooler temperatures of high altitudes through behavioral and physiological adaptations.
What is the role of the Himalayan cliff bee in local ecosystems?
The Himalayan cliff bee plays a crucial role in pollinating the high-altitude flora of the Himalayas, aiding in the biodiversity and sustenance of the ecosystem. They are essential for the reproduction of various plant species, including many that are unique to this region.
