German cockroaches die in winter
Fight cockroaches and cockroaches in the apartment and house
A cockroach infestation is much more of an everyday life annoyance in Germany than most people suspect. Because even the cleanest households are not immune to the residents “dancing cockroaches on their heads”. It is only important that you deal with unwanted newcomers quickly and in the right way. This is how you get rid of the different types of cockroaches or cockroaches.
Cockroaches? In Germany?
If we are presented with magnificent black-brown and multi-legged crawling animals in films, aren't we talking about areas in which it is significantly warmer than here, and anyway more of a dramaturgical means with which dubious cleanliness is to be indicated?
Well - it's not quite like that, a cockroach also has a German name, and that is simply "common cockroach". This common cockroach actually bears the botanical name "Blatta orientalis", which suggests its origin from warm regions. If this actual, "real" cockroach is also known in the German vocabulary as the baker's cockroach or the oriental cockroach, this in turn indicates that it was imported to Germany at a time when exotic imported goods were only imported by processing professions. The more the international trade in goods has expanded, the "real" cockroach has become a real cosmopolitan.
It shares its existence as a known storage pest with a penchant for living in human dwellings with some of the roughly 4,600 cockroach species. With the trade in goods z. B. the American cockroach, the "Periplaneta americana", are imported. We Germans then also have our very own cockroach, the German cockroach or “Blattella germanica”. All together are summarized under the term cockroaches, in the international confusion of languages all cockroaches. All of them together are among the most common cockroaches that can be found in households.
However, if there really is a cockroach in your household, there is no reason to be ashamed. A cockroach infestation has nothing to do with insufficiently cleanliness or poor hygiene. The animals are extremely willing to survive and reproduce. They are usually brought in from the outside (via food packaging, with holiday luggage, with the purchase of an imported device) or migrate into the house via sewer pipes.
Which cockroach is it?
The three species just mentioned could be up to mischief if you spot a cockroach-like animal. The identification is not unimportant for planning the fight:
1. The damage caused by the German cockroach and the American cockroach is usually limited, for the following reasons:
- The German cockroach is a fairly small cockroach, only about an inch long when fully grown.
- Therefore, the feeding damage caused by these animals is usually very small
- The light-shy animals often have to be content with paper or the like in our households where there are few supplies lying around
- In addition, the German cockroaches do not tolerate the cold, if they immigrated to your shed, they die out over the winter.
The American cockroach, on the other hand, is an impressive animal of about 3 cm, if something like this crawls out of your fruit box, the chase will follow immediately.
- The American cockroach also does not tolerate the cold at all, which is why most clutches (on merchant ships, for example) die in winter.
- You could therefore only get to know American cockroaches in very rare cases as a single animal, serious infestation in private households is not known.
Under certain circumstances, the German cockroach could “make its way” to you if you find warm and moist spots with leftover food in your kitchen. The danger is even greater if you live next to a cockroach-populated restaurant, laundry, infirmary, pet shop or other business. Its average temperatures and climatic conditions are downright paradise for the cockroaches.
2. A very different caliber is the common cockroach or cockroach. This cockroach is darker than the German cockroach, a little reddish in color, and almost twice as long. It grows up to 3 cm. While the German cockroach looks a little "transparent" and quite fragile, this cockroach is a real perceptible beetle with a shiny chitin shell. They are said to be the fastest of all insects in the world. It shows an incredible speed of one and a half meters per second.
Above all, however, these common cockroaches or cockroaches have long outgrown their southern homeland in that they are much more cold-tolerant than the other cockroach species. Once they have “immigrated”, they can also survive in cellars and sheds and spread from there.
Fighting the German cockroach
Whenever you notice light brown cockroaches that seem a little transparent during the day, this indicates a significant infestation in these really light-shy animals. Most of the time you will then be able to perceive an unpleasant musty smell. That is what the Germans secrete from an abdominal gland.
Of course, you should act quickly now, but don't panic. The German cockroach can theoretically transmit diseases, like almost every insect, but of course it can only do that if it has come into contact with dangerous germs beforehand. A German cockroach has, on average, far fewer opportunities to do this in its relatively short life than an imported cockroach, which migrates highly resilient from the ship to the wholesale market and into the cold warehouse and survives there for a long time. The German cockroach would have died three times under these conditions, it is more likely to migrate from the field to the shop, but there it did not get to know very many pathogens. It could be different in the above-mentioned professions, but here it is of course fought immediately upon sighting. Therefore, the last study published in the Federal Health Gazette also showed that this species has no particular importance as a disease carrier.
Of course, the German cockroach should still be fought, and as quickly as possible. First of all, a kind of “shortcut” is a good idea: There will be a time when you are anything but certain that there are some animals in unusual quantities in your kitchen. If you don't do anything during this time, the amounts will be unusual. So, at the first sign, buy a detector from a knowledgeable professional right away. Sas is a sticky trap that is equipped with a species-specific attractant.
Then, when you know that you have to fight German cockroaches, you can do that specifically. First of all, baits with food poisons are laid out for these pests. These bait boxes with the attractants should be in place for at least three months. This is the only way to ensure that all young animals are also destroyed. In the meantime, you would unfortunately have to go through all the corners that are suitable as "cockroach hiding places" and clean them thoroughly. Unfortunately, this includes not only the full cleaning cupboard, which is taken apart for every spring and autumn cleaning anyway, but also areas behind washbasins and cupboards that are actually not really accessible, right through to the gaps behind rubbing strips, door frames or wall joints. The animals could have spread their eggs anywhere. If you manage to remove food and water from the cockroaches there, you have half the control success in your pocket, and you also significantly reduce the risk of resettlement.
Larger dismantling work can perhaps be prevented if you also get a spray against the cockroaches. You can spray this into the inaccessible spaces. However, for reasons of health and environmental protection, you should never use this spray over a large area. Do not forget to speak to your neighbors (carefully) if you suspect that the cockroaches have immigrated from a neighboring farm. Then you can coordinate the control measures and control them together. Because control should be. This is the only way to ensure that a nest has been overlooked and that the whole cockroach community will spread from there again.
If you are very unlucky, the rather small German cockroaches have created a nesting site in a crack in the brickwork or in the floor. These cracks would then have to be closed.
As I said, the common cockroach or cockroach is not an unknown animal with us, on the contrary, from the 18th century to around the 1950s it was widespread in all European cities as a well-known hygiene pest.
If you spot something that looks like a cockroach, make sure you take it seriously. These hygiene pests not only have a good chance of snapping up and spreading many germs, they also have an extraordinary resistance. After the atomic bomb tests on Bikini Atoll, completely undamaged cockroaches were found.
Once you have brought the common cockroaches into the house in packaging material or food or if they have migrated from the sewer through an old water pipe, the cockroaches will find ideal living conditions in our houses. Heated living spaces offer comfortable temperatures of around 20 degrees. Kitchen waste and water provide a plentiful supply of food in the kitchen. From there, the animals migrate to every room in the house, as they can squeeze through the narrowest crevices. They then set about multiplying at explosive speed and are now also attacking the adjoining rooms at the latest.
You are quite powerless against "real" cockroaches on your own. These pests are extremely persistent and therefore really difficult to control. When you have identified the animals, you should therefore initiate professional cockroach control by a specialist pest control company as soon as possible. This company then also checks whether entire rows of houses are infested and, if necessary, coordinates the simultaneous control so that the cockroaches disappear everywhere.
If animals can be seen in your kitchen that are very likely to be identified as cockroaches by looking on the Internet, this is neither a cause for reddening of the face nor a cause for panic. You should just catch one of the critters quickly and determine the exact species. Then you can immediately initiate the appropriate control measures.
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