What material is used for filling

Insect hotel filling - which materials belong in an insect hotel

When humans set up an insect hotel including filling, wild bees and other beneficial insects find nesting opportunities that are now missing in nature. Whether you buy the insect hotel and its filling or build it yourself, both models depend on the right filling.

For example, reeds are used as filling for an insect hotel, which must not have splinters so that the bees do not injure themselves. Drilled tree grates are an alternative, but they can also develop cracks that are harmful to the brood. If seasoned hard fruit wood is used, 4-8 mm holes are drilled into the wood from the side of the bark, 2 cm apart.

The individual departments in an insect hotel can be designed flexibly so that many types of insects can move in. From time to time Insect hotel filling but must be renewed, whereby no chemically contaminated materials may be used. It is a good idea to check the insect hotel and the filling regularly. This is the only way to prevent the insects from turning away from the hotel on offer.

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Country seat Superior kit

The Landsitz Superior has 10 rooms, a balcony and a terrace. It contains an illustrated construction manual or construction plan and all the necessary material is also included. The insect hotel is easy to attach using two holes in the sturdy solid wood back wall.

The dimensions are 47 x 37 x 12 cm (W x H x D).

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Materials that can be used as insect hotel filling

Below we list some materials that can be used as Insect hotel filling come into question. Please read the individual notes on the materials described before using them in your insect hotel. The list is not intended to be exhaustive, it is only intended to give you a few ideas.

Plant stems for wild bees and wild wasps

For the Insect hotel filling the hollow stalks of reeds and bamboo are perfect. When the stalks are sawed, they do not splinter and pose no risk of injury. The tubular shape of the bamboo makes it a good choice to help the bees. The tubes naturally have different sizes.

Cutting to size creates different stalks for many types of bees. It is sufficient to cut the stalks into sections of the same size. If the cut is behind a thickening, then one side is already closed. This makes the bees' work much easier. The finished sections are placed in the compartment, which is completely filled out. The stalks should not be arranged too loosely, otherwise they would fall out. With or without thickening, the bees choose the tubes that they particularly like. Depending on where the bamboo is cut, one end is automatically closed by the thickening.

The bees like varied material from different plants and strengths. In this way, diverse species set up. The vertically attached, medullary stems of the lilac are favored by certain bees. The combination of vertical and horizontal stalks attracts different bees. The selection of pith-filled stems is unlimited - it is advisable to use lilac or berries in addition to reeds, because some of the stems contain pith, which is preferred by selected bees. This means that a combination of hollow and medullary stems is advisable.

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Drilled hardwood for wild bees and wild wasps

Wild bees and wild wasps prefer to build their nests in tubes that are not allowed to narrow on their own. That is why the wood of deciduous trees is suitable as a filling. It retains its shape even when it gets wet, making it the ideal material for an insect hotel. If it is to be mounted, nothing should stick out of the mounting holes that could injure the guests when they deliver the pollen or are in the brood tube.

Commonly used hardwoods are beech or apple tree, although the choice of woods is immense. The hardwood is cut to size to fit in the insect hotel. In addition, when choosing the wood, it should be remembered that small holes have to be drilled into the wood so that the wild bees can lay their eggs. For this reason, softwoods are unsuitable.

The hardwood does not warp, it is weather-resistant and does not resinify, which is why it has the ideal conditions for a filler material, as bees prefer tubes of different sizes and depths. For theInsect hotel filling With the wood drilled through, it is sufficient to stack the wood. Any remaining gaps can be filled with smaller branches or plant stems. The insects notice very quickly whether they like the hotel or not. If they like it, different bees and wasps cavort inside to nest in peace.

Thin branches are preferred by the butterfly

The butterflies like thin branches, and as long as the fresh material is still pliable, it can be easily pushed into the box. The branches in the butterfly compartment should have a diameter of 5 mm so that the butterflies like to rest on them. This space gives the butterfly protection from the cold and it serves as an oasis of calm. The butterflies come in through small cracks or through grooves specially worked into the wood.

Foliage as an insect hotel filling

Foliage is a nice filler, but it should be dry or it is prone to mold. The leaves are filled in a room of the insect hotel. They are put in loosely and secured with a wire so that they cannot fall off. Ladybugs or other beetles feel comfortable in these foliage, they are more or less attracted by the dry foliage.

The wood wool is ideal for lace flies, ladybugs and earwigs

In the past, almost everything was packed with wood wool. B. Part of the Insect hotel fillingso that lacewings and beetles winter warm. The wood wool is ideal for lace flies, ladybugs or earwigs. As with the wood used, the wood wool must be free of harmful substances. The compartment with the wood wool is best closed with a red cover, which especially attracts lace flies. Because of this, the compartment should have small holes in it.

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Fresh straw is used as an insect hotel filling

Straw is suitable to attract catchy tunes. It's available in small quantities at pet stores or on Amazon *. It is distributed in the box and then secured by wire to prevent it from falling out. The earwigs take care of their brood in the fresh straw and protect themselves from the cold season. The same thing happens with lacewings, they accept untreated straw well.

Clay as an insect hotel filling

Wild bees can be attracted with adobe bricks. The holes in the bricks are provided with a pipe. This creates a place for wild bees to lay eggs in the holes. Homemade bricks must dry well before they are used.

Bee hotel

For wild bees, there are also bee hotels that are tailored to the bees' special preferences. Find out more about this in our article: Nesting and wintering aid for wild bees.

Insect hotel filling: bricks

The insect hotel can also be filled with clay bricks. Hollow and medullary branches fit into the holes in the bricks.

Pine cones as an insect hotel filling

Whether pine or pine cones, different insects are attracted by cones. Pine cones can not only be collected in the forest, they are also available in hardware stores or at handicrafts. A wire or grid prevents them from falling out of the compartment. Cones are sought out by ladybirds, but earwigs and lacewings also like to hide in them.

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Snail shells as an insect filling

Small snail shells are an ideal habitat for wild bees. You can buy them on Amazon *, for example, but they can also be collected in nature. The snail shells must be protected from falling out in the compartment. A wire or grid is sufficient.

Bark mulch for beetles

Another way of Insect hotel filling is bark mulch. It is available from hardware stores or from Amazon *, but you can also make it yourself. Dried firewood, the bark of which is peeled off and chopped up, is suitable for this. This material also has to be dry, then many beetles will appear.


More and more bees are dying. They lack both food and a place to nest. But if you buy an insect hotel or build a hotel yourself and use the appropriate insect hotel filling, you can do something about these circumstances. But if the Insect hotel filling is inappropriate, the offer will not be accepted by the insects.

Incorrectly processed materials damage the insects just as much as contaminated fillings. A harmful oneInsect hotel filling also threatens the remaining insects. Instead of helping the bees, they are injured or the brood is destroyed. For this reason, it is important to observe a few rules so that guests feel comfortable in a well-filled insect hotel.

Bumblebee box

There are also nesting and wintering aids for bumblebees. Read our article: The Bumblebee Box.

(Source of the product images: Amazon partner program)