Carpenter bee. Carpenter bee lifestyle and habitat

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Anyone who is at all interested in the origin of the animal world on earth knows that the carpenter bee is one of the most ancient insects on our planet. Scientists date their appearance long before the appearance of humans - 60-80 million years ago. And at the end of the 20th century, in one of the mines in the north of Burma (Myanmar), a prehistoric insect of this species was discovered, frozen in a drop of amber. And just think about this find! – about 100 million years.

Origin of the species and description

Photo: Carpenter Bee

The taste of honey was familiar to primitive man. Along with hunting, ancient people also collected honey from wild bees. Of course, honey made up a small part of the diet of our distant ancestors, but it was the only source of natural sugar known in those days.

The appearance of honey bees is inextricably linked with the appearance of flowering plants on Earth. It is assumed that the first pollinators were beetles - insects even more ancient than bees. Since the first plants did not yet produce nectar, the beetles ate their pollen. With the advent of nectar, the evolutionary process of insects came to the stage of the appearance of the proboscis, then to its lengthening and the appearance of the honey crop - a container for absorbing nectar.

Video: Carpenter Bee

It was then that the higher hymenoptera appeared - the most ancient ancestors of modern honey bees. They swarmed, gradually mastering more and more new territories. They developed an instinct to return to flowers of the same species for pollination, and this was very important for the evolution of flowering plants. Over such a long period of existence, many varieties of bees have arisen, and currently scientists have systematized more than 20 thousand species of these insects.

One of the largest members of the honey bee family is the carpenter bee. Scientific name: Xylocopa valga. The insect owes its name “carpenter” to its own way of life, and in particular to the way it builds nests. With the help of powerful jaws, the bee gnaws tunnels in the wood, arranging nesting sites there.

The carpenter bee is twice the size of its closest cousins ​​and does not have the characteristic yellow and black striped color. In addition, these insects do not swarm and are classified as solitary bees.

Preventive measures

Having gotten rid of carpenter wasps once, no one can guarantee that they will no longer appear in the house or building where they lived before.

Bee leafcutter

To do this you need to perform certain manipulations:

• After the nest is destroyed, you need to stuff everything with mineral wool, steel wool or polyurethane foam. All these materials are classified as sealing materials, and the insects will not be able to return to the monastery, and the remaining ones will definitely die.
• Experienced gardeners claim that wood wasps do not settle on buildings treated with paints and varnishes. Therefore, this is the most reliable way to prevent the formation of nests, and therefore the accumulation of bees.
• You can also use citrus spray on wooden buildings to prevent pests from returning. The product can be purchased at a special store or made with your own hands. Most bees die from it, and the survivors leave danger in the territory in the genetic code, and their descendants will not settle in the same place.

Method of preparation: you need to grind the peels of orange, lemon, lime, grapefruit and boil for some time in a shallow container, fill with water. Once cooled, strain and place in a spray bottle. It is worth spraying the entrances to the abode of bees.

For your information! Also, all predatory insects cannot tolerate citrus oil. Almond oil and essence also cope with this task.

In addition to all of the above, you need to consider the following:

• To stop reproduction, you will have to use only powder pesticides, since liquid ones are absorbed by the wood and do not give the desired effect. After falling asleep, under no circumstances should you seal the entrance, otherwise the pests will start making new ones and will be able to avoid the action of the poison. This can only be done if there is absolute confidence that the adults have left the home.
• If bees have just appeared on the site and have not yet created a large nest, they can be caught with ordinary bait for flying insects that like sweet aromas.

Note! You should not buy prohibited pesticides, as they are dangerous for people, especially children, and also cause irreparable harm to the environment.

Before baiting, you should make sure that you have all the necessary protective clothing, because females will protect the larvae even at the cost of their lives.

If all attempts are unsuccessful, you should look for a team of specialists. In case of obvious danger to human life, when there are several nests and many insects, they can only be dealt with through complex treatment. But at the same time, the structure of the building will also suffer, because you will have to pick out the honeycombs with larvae.

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Appearance and features

Photo: Insect bee carpenter

Appearance is what immediately distinguishes the carpenter bee from all other representatives of the species. Firstly, the insects are very large; females can reach 3-3.5 cm in length. Males are slightly smaller - 2-2.5 cm.

Secondly, the head, chest and abdomen of carpenter bees are completely black, shiny, no yellow-black stripes, like ordinary bees. Almost the entire body is covered with thin purple hairs. They are absent only on the abdomen. The wings are rather small compared to the body, transparent and as if dissected at the edges. Thanks to this structure, their blue-violet tint is very pronounced.

Interesting fact: it is because of the color of their wings that people divide carpenter bees into blue and purple. However, no other differences, with the exception of color, were identified in these two categories, so this division is considered not scientific, but philistine.

Females differ from males not only in size, but also in some other parameters. So, for example, females have a sting, longer antennae with red patches, protruding teeth can be seen on their hind legs, and the color of the villi covering the body is exclusively dark purple, while in males it can have a brown tint.

The eyes of carpenter bees have the same faceted structure as those of most insects. They are located on both sides of the head. In addition, there are three additional pinpoint eyes on the crown of the bee.

In order for the carpenter bee to cope well with its activity - gnawing wood - nature carefully endowed it with a durable skull with chitinous partitions and powerful jaws. And these, of course, are the main features that distinguish this type of insect from its closest relatives - ordinary honey bees.

Habitat area

There are more than 20,000 species of industrious insects throughout the Earth. They come in white, blue, gray, etc.

The habitat of black bees is located almost throughout the globe, excluding areas with a cold climate that does not have a summer season. Bumblebees tolerate wintering well even at very low air temperatures, but they can carry out a full life process only during the warm period.

The habitat of these insects extends throughout all countries, excluding regions with a perpetually cold climate.

It is interesting to know that some breeds of dark individuals can be domesticated and tolerate transportation well. Therefore, if desired, every beekeeper can acquire rare pets.

The black bee is a popular representative of a separate species of common insects. But over time, their numbers began to decline sharply, so they were registered as a rare endangered species. Honey plants bring great benefits - they continuously pollinate flowering plants and clean the air. Preserving the current population is an international task that all people should help solve.

Where does the carpenter bee live?

Photo: Common carpenter bee

Since their appearance on our planet, bees have mastered a fairly extensive geography. They left their parents' nests and rushed to new territories. Bounded to the north and east by the Himalayas and to the south by the ocean, ancient bees are thought to have headed west.

They first reached the Middle East and then began to occupy the territory of Egypt. The next stage of development was the northern coast of Africa, then the swarms reached the Atlantic and further to the Iberian Peninsula.

And they came to the territory of our country from Central Europe, spreading all the way to the Urals. The Ural Mountains turned out to be an insurmountable obstacle for honey bees. The climate of those places is very harsh, and the dark coniferous taiga did not allow the bees to count on an abundance of food. Honey bees failed to penetrate into Siberia and the Far East.

But this is all history and the natural distribution of the species. Of course, now the habitat of honey bees is much more extensive, and people have taken care of this. Along trade routes, sea and land, bees were brought to America and Mexico, and then to Australia and New Zealand.

For the carpenter bee, the main habitats are still Central and Western Europe and the Caucasus. As for Russia, here the species is distributed in the most comfortable living conditions. These are the Krasnodar Territory and Stavropol Territory, the Middle and Lower Volga, the Central Black Earth Region and other territories with a similar climate.

Distribution area

The carpenter bee has a fairly wide habitat. Representatives of this species are found in Western Europe, Central Europe, Central Asia, northern Africa in Transcaucasia, the Middle East, and Mongolia.

In Russia, the black bee is found in the Urals, in the Krasnodar and Stavropol territories, in the North Caucasus, in the Tula, Moscow, and Arkhangelsk regions. In our country, this species is listed in the Red Book. Ukraine also included black bees in its Red Book.

What does a carpenter bee eat?

Photo: Carpenter Bee Red Book

The diet of carpenter bees is practically no different from what ordinary bees eat:

• nectar;
• pollen;
• beebread;
• honey.

First of all, this is, of course, nectar and pollen of flower plants - the main food from spring to autumn. In addition, bees eat bee bread (also called bee bread) and their own honey. The most preferred treat for the carpenter bee is acacia and red clover pollen. But in general, they pollinate more than 60 species of honey plants.

If you take a closer look at the carpenter bee’s menu, you can identify several important components. So, for example, in order for the bee body as a whole to be strong and efficient, insects eat nectar and honey - generous natural sources of carbohydrates.

Pollen is the source of protein for bees. It helps keep their endocrine and muscular systems healthy. When collecting pollen, bees moisten it with saliva and nectar so that it gets wet, sticks together a little and does not crumble during long flights. At this moment, thanks to the secretion of the bee and the properties of the pollen itself, the process of pollen fermentation occurs, as a result of which beebread is formed.

Adult and young bees feed on beebread. They also use it to turn it into pulp and/or royal jelly, necessary for feeding the larvae, with the help of the secretion of the jaw glands.

Interesting Facts

Beekeepers around the world continue to try to tame the carpenter bee and turn it into an ordinary bee that brings honey. If this happens, beekeepers around the world will have a unique type of bee that will be virtually invulnerable.

But all attempts have not yet brought results: the bee develops and actively lives exclusively in its natural habitat. This species is also valuable because it is able to work actively even in bad, inclement weather. Neither rain nor wind can stop the carpenter bee from covering vast distances and obtaining pollen.

The bee has a reputation as a "loner". This is not entirely true. Despite the fact that each lives separately, each still maintains contact with the other bees. This is due to the reproductive instinct. As a rule, five to six females live in one territory and one male, who guards his territory.

When a new female appears in his zone, the male rises as high as possible and begins to make a loud sound, attracting the attention of the newcomer. If a strong buzzing has no effect, the male is able to climb into her nest and come back out. He does this as many times as it takes for the chosen one to pay attention to him.

If you find this bee within your home, you should take the necessary measures. But first, it’s worth clarifying whether the carpenter bee is included in the Red Book or not . The latest data from scientists suggests that the population of these unique individuals is rapidly declining.

To find the habitat of bees, it is worth remembering a few facts:

• the favorite habitat is dried soft wood;
• to build a nest, the insect chooses exclusively natural materials, so you should not look for the insect, for example, in furniture treated with paints and varnishes;
• monitor the movements of the bee in the spring, when young insects are looking for a place to build their own nest.

If detected, there is no need to completely eliminate insects. It is enough to “drive” them out of their homes using gasoline, agricultural poisons or ordinary water. You can also tightly wall up all the holes in the nest. Another interesting way is to treat the nest and nearby surfaces with citrus extracts.

Lemon, bergamot, lime, orange are suitable. Be careful when using chemicals. Use protective equipment. They will protect against chemicals and unexpected attacks by an angry bee.

Features of character and lifestyle

Photo: Carpenter Bee

Despite its impressive size compared to its closest relatives, the carpenter bee does not pose a threat to any creature in nature. These insects are absolutely not aggressive. Of course, the female carpenter can use her only weapon - a sting, but she does this exclusively for self-defense or in case of real danger to her life.

However, the amount of venom injected into a carpenter bee sting is quite large and causes widespread, painful swelling. But if you don’t try to attack the bee’s home and don’t tease her, then she most likely won’t even pay attention to anyone’s presence. She already has enough worries.

All bees are hard workers by nature, but the carpenter bee is a true workaholic. True to its nickname, it makes deep tunnels in old and rotten wood. It can be anything - outbuildings, all types of rotten boards and logs, dead wood, stumps, old trees. Soft wood easily yields to the pressure of powerful bee jaws, and multi-level dwellings appear inside it, in which the larvae will then live and develop.

Interesting fact: the carpenter bee prefers only natural wood. If the surface is painted or treated with protective and decorative compounds, these gourmets will not be interested in it.

The process of gnawing out a tunnel is quite noisy; the bee makes a sound similar to the buzzing of a miniature circular saw. This sound can be heard several meters away. As a result of the efforts made by the carpenter bee, a perfectly round entrance to the nest and internal multi-level passages up to 30 cm deep are formed.

The carpenter bee is not a swarming bee. These are solitary insects. Each female organizes her own colony. Bee activity lasts from May to September, and under favorable weather conditions – until October.

How to get rid of wood bees in the wall of a wooden house using a gentle method

Black shemale

Few disinfection services will deal with black bees, as it is illegal. Therefore, the question of how to get rid of tree bees on your own becomes especially relevant. Given the circumstances, the only way to get rid of insects is through sound vibrations.

The woodcutter bee is very sensitive to noise. It is enough to turn on loud music near the proposed housing. Preferably a composition with low frequencies - high-quality bass. Blue bees will leave their wooden home on their own.

Drive away bees with low-frequency music

There is a more aggressive, but effective method.

Remedy for blue bees

How to deal with tree bees if noise does not help?

The easiest way to protect your home from these insects is with sticky traps for flying insects. But it is effective for single catching.

In addition to this, there are other means:

• If the pests are very annoying and pose a real danger to the health of the household, you can sacrifice one generation of them to ensure that they are not in the old holes forever. To do this, you need to fill the entire socket through the main passage with an aerosol carburetor cleaner or ordinary gasoline. At the same time, it is worth remembering safety measures with such toxic substances, especially when it comes to working with wood.
• Special pesticides, especially powder ones, are quite effective in destroying homes. The most commonly used are boric acid or carbaryl.

Important! The individuals themselves are not aggressive. If the carpenter wasp does not feel a threat to its life and the integrity of the “house”, it will not attack.

Social structure and reproduction

Photo: Insect bee carpenter

Unlike ordinary honey bees, the carpenter bee family is not divided into queens, workers and drones. There are only females and males here. But, like all insects of this species, absolute matriarchy reigns among carpenters. This hierarchy is due to the fact that the main work of creating a colony, feeding and raising larvae falls on the female.

Males are not so hard-working, and their function is mainly to fertilize females. During the breeding season, males are very actively attracted to them. Seeing a suitable bee, the male takes a position on some hill and buzzes loudly, trying to attract her attention.

If the female does not show proper activity and does not leave the nest, then the gentleman himself descends into her hiding place and continues “courtship” until the chosen one reciprocates his feelings. Males are polygamous, each of them guards his own small “harem”, which is inhabited by 5-6 females.

When setting up a nesting site, the female places pollen at the bottom of the tunnel and moistens it with nectar and her own saliva. She lays an egg in the resulting nutrient mixture. From the sawdust left after gnawing the tunnel and glued with saliva, the bee creates a partition, thereby sealing the cell with the future larva located in it.

The nutritious nectar mixture is again laid on the formed partition, another egg is laid and the next cell is sealed. Thus, the bee fills the entire tunnel and moves on to a new one. As a result, the carpenter bee's nest acquires a multi-story and branched structure.

Interesting fact: the homes of carpenter bees can rightfully be called “family nests”, since they can be used by many generations of individuals.

Having laid her eggs, the female watches and guards the nesting site for some time. Most often, adult females die during the winter cold, but if they manage to survive the winter, then next spring they begin a new cycle of breeding.

The larvae grow and develop independently. By the end of summer they pupate, and by the beginning of winter the cells are inhabited by young bees, who are forced to remain locked up until they gain enough strength.

In the spring, fully grown, strong individuals gnaw their way to freedom and rush in search of nectar. Their independent life begins, they begin to build their own nests and breed new colonies.

Nutrition

Like other representatives of Bees, the carpenter feeds on pollen. Preference is given to plants of the legume and Rosaceae families. She is very selective when it comes to food. Can sort through a large number of plants, covering vast distances in search of suitable flowers. From flower nectar, the bee makes a nutrient substrate for future larvae. She leaves it in each cell of the nest.

Natural enemies of carpenter bees

Photo: Common carpenter bee

Thanks to their impressive size and durable wooden homes, carpenter bees have far fewer enemies in the wild than regular honey bees. First of all, these are, of course, insectivorous birds - bee-eater, shrike, golden bee-eater and many others.

Danger awaits carpenter bees in the habitats of frogs. They feed on different types of insects, but do not mind eating a bee, grabbing it in flight with their long sticky tongue. Another predatory representative of lovers of these insects is the spider. It weaves its web in the immediate vicinity of bee nests and catches unwary bees with it.

No less dangerous for carpenter bees are their distant relatives such as hornets. They are twice as large, very voracious and can destroy bees in large numbers for their own food.

Another natural, although not the most dangerous, enemy of the carpenter bee is dragonflies. They do not always attack, especially against such large representatives of bees. They prefer easier prey. However, in those years when dragonflies breed too actively, there is not enough food, and carpenter bees end up in their diet along with other insects.

And in the immediate vicinity of the surface of the earth, carpenter bees lie in wait for mice and other insectivorous rodents. Most of them are not able to reach the nests of carpenter bees and destroy them, as they do with the hives of ordinary honey bees, but adults quite often end up with these small predators for lunch. Since carpenter bees are not tamed or domesticated by humans, they do not have to wait for help in the fight against natural enemies.

Prevention

To prevent the appearance of a carpenter bee, you must again perform the following steps:

1. No water. Bees rarely settle in dry areas. It is necessary to thoroughly wipe away all puddles in the house; when leaving, you should not leave a swimming pool or decorative pond open in the yard.
2. Bonfires. Insects cannot tolerate the smell of smoke. Burning dry grass is good for the cleanliness of the garden, and the absence of bee nests will be a pleasant bonus.
3. Essential oils. Citronella oil works especially well - it immediately saves you from mosquitoes and bees.
4. You can hang bags of mothballs around the house.
5. Paint or varnish. Once you paint an old fence, it no longer attracts bees as much. Insects prefer untreated wood.
6. Treat leaky walls with putty, after filling all holes with foil or glass wool.

The carpenter bee is a honey-bearing insect. It shows almost no aggression, but if it stings, it is poisonous and painful. Attempts to domesticate and tame were unsuccessful. The population is listed in the Red Book.

Population and species status

Photo: Insect bee carpenter

Despite the fact that the importance of the presence of bees in the wild is difficult to overestimate, their populations are constantly and steadily decreasing.

There are several reasons for this:

• increasing the amount of farmland;
• treatment of flowering plants with insecticides;
• illness;
• harmful mutations resulting from crossing.

Factors such as the increase in farmland and the cultivation of monocultures on it can be considered the main factor in the decline in carpenter bee populations. In natural conditions - in meadows and forests - plants with different flowering periods live. Some bloom in early spring, others in summer, and others in autumn. A crop is planted in the fields, the flowering of which lasts no longer than a month. The rest of the time, the bees simply have nothing to eat and die.

In addition, cultivated plants attract large numbers of rodents. In the fight against them, people use many chemicals to help preserve the harvest. Bees, when pollinating plants treated with chemicals, receive a significant and sometimes fatal dose of poison.

Carpenter bees are not immune to disease either. Larvae, pupae and adults are attacked by parasites (mites) and acquire a severe disease - varratosis. One tick can kill dozens of individuals.

Speaking about the decline in the population of carpenter bees, one cannot fail to mention human activity in the process of crossing species. The results of such actions are extended over time, but scientists have already established facts of the accumulation of harmful mutations among breeding breeds. Such bees become susceptible to various diseases, the seemingly familiar climate does not suit them, and the colonies simply die out.

Life cycle

Carpenter in the process of construction.

The female begins to build a place for her offspring in the spring. She makes ideal compartments in the wood for children; nectar and pollen are placed inside to make it soft. These cells have perfectly smooth edges. The passages to the cells are lined up along the fibers.

When the larvae wake up, they feed on the reserves and spend the winter there. Only when it warms up do they gnaw their way out and fly out.