It is originally found in East and Southeast Asia, especially Japan
The functioning of the eyes is the same, said Schoenemann.
The fossil was examined with the help of digital light microscopy. The researchers were a little lucky because the animal’s petrified eye had burst open and you could look directly into it.
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Looking back, zoologist Schoenemann speaks of a fascinating experience. “” The little trilobite is particularly pretty, it has very clear eyes. That’s why I looked at it. It almost blew my mind with fascination because you could see the system so well preserved. “”
Sources used: news agencies afp and dpa
Hamburg (dpa / tmn) – Hay fever and other allergies can be a particular challenge during pregnancy. Mothers-to-be cannot easily take many medications to treat the symptoms.
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The magazine “” Eltern “” (issue 3/2019) therefore advises you to combat hay fever without tablets or nasal sprays. For example, pregnant women should consistently adapt their leisure activities to the pollen forecast. Doors and windows are best kept closed during the day, worn clothes do not belong in the bedroom at night.
However, pregnancy does not have to make every allergy an ordeal. In the case of neurodermatitis and asthma, for example, the number of symptoms may even decrease as a result of the physical changes. If, on the other hand, the symptoms are unbearable, taking medication is not completely ruled out – and sometimes even advisable. Because acute asthma attacks, for example, are more dangerous for the unborn child than many drugs. Women should ask their doctor for advice here.
Further information on drugs during pregnancy is available in the online database Embryotox of the Berlin Charité and from the Allergy Information Service of the Munich Helmholtz Center.
It is up to five centimeters long, kills entire bee colonies and also attacks people: the Asian giant hornet. So far, it has mainly spread in North America. Is she coming to Europe too?
Actually, its Latin name sounds a little like the South Pacific and vacation: Vespa mandarinia. But far from it. The so-called Asian giant hornet is considered to be particularly aggressive. The “honeybee killer” has now been sighted again in the USA. In the video above, an entomologist shares the intimidating encounter and explains how dangerous the animals are.the help and to kill a mockingbird essay You can also find the article here.
The “” New York Times “” reported in its online edition on Saturday about it – and about fears that the malicious insect could settle in the USA and destroy the bee populations. Beekeepers have already reported piles of dead bees with their heads torn off, the US news broadcaster CNN also reported.
How dangerous is the Asian giant hornet?
It is originally found in East and Southeast Asia, especially Japan. It is up to five times larger than the western honey bee. And also far more dangerous: In Japan, the Vespa mandarinia japonica, a subspecies of the Asian giant hornet, kills around 40 people annually with its sting – which triggers an allergic reaction.
Asian giant hornet (Vespa mandarinia): The insect attacks a beehive in a Japanese province. (Source: Nature Picture Library / imago images)
The insect owes its nickname “” Murder Hornet “” (German: killer hornet) to the targeted attacks on other living beings, especially on bee species such as honeybees. They attack the beehives and destroy them within a few hours, as the “” New York Times “” reports. The Asian giant hornets behead the honey bees with their mouthparts.
US researchers now fear for the future of domestic honey bees. Chris Looney, entomologist at the Washington State Department of Agriculture, told the New York Times that there was little time left to prevent the Asian giant hornet from spreading further. Special hornet traps are designed to curb the spread of the Asian giant hornet.
Not all Asian hornets are the same as Asian giant hornets
The Asian giant hornet (Vespa mandarinia) should not be confused with the Asian hornet (Vespa velutina). In February 2020, scientists from the Center for Natural History at the University of Hamburg identified a living specimen of the Asian hornet in northern Germany for the first time.
At that time the entomologist Martin Husemann had said that “” given the rapid invasion speed of the species and its relatively high climate tolerance “” it was possible “” that the species came to Hamburg on its own and is now reproducing there. “”
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For the time being, the German Nature Conservation Union (Nabu) has given the all-clear for the Asian giant hornet: Vespa mandarinia has not yet appeared in Germany.
Sources used: The New York Times: ‘Murder Hornets’ in the US: The Rush to Stop the Asian Giant Hornet CNN: Invasive giant hornets have been spotted in the US for the first time Naturschutzbund Deutschland (Nabu): Asian hornets now also in Europe News agency dpaAdditional sourcesShow less sources
Stuttgart (dpa) – A curious idea is being prominently presented at the police union (GdP): bees that, like sniffer dogs, could support police work.
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The insects made it onto the cover of the members’ magazine. There the 22-year-old police officer and hobby beekeeper Sonja Kessler from Cologne will present her bachelor thesis under the heading “” Bees – a revolution for police work? “”.
Drug detection dogs are only able to work for a short time, are very fixated on a caregiver, and their training is time-consuming and expensive, it says. So why not the bee? Kessler was awarded a special prize at this year’s European Police Congress for her work. Unusual research or crazy idea? In any case, experts have doubts that the idea can be implemented.
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According to experts, bees can smell great. They can also be trained to recognize and display odors. To do this, they are fixed, for example in a tube, says Peter Rosenkranz, the head of the Baden-Württemberg State Institute for Apiculture at the University of Hohenheim. Then the bees smell a certain substance and at the same time lick a sugar solution. After just a few passages, the bees are conditioned to the scent. As soon as they sniff it, they stick out their trunk because they expect another sweet reward – the extended trunk is, so to speak, the equivalent of striking the sniffer dog.
“” Bees’ perception of scents is extremely sensitive – they play on the scale of sniffer dogs, “” enthuses Rosenkranz. He even trains bees on various brands of cigarettes in his student courses. With 20 animals fixed in a suitcase-like container, one could search for drugs or explosives at train stations or at the baggage check in the airport. It has even been tested in practice, says Rosenkranz.
Policewoman Kessler thinks much more is possible. “” Whole bee colonies can be conditioned using the reward method, “” she writes in the GdP article. Free-flying “detector bees” could search an area of up to 50 square kilometers. They could be dusted with fluorescent powder for drones to find. “” The bees can be used in particular to discover drug plantations or to find explosives such as TNT, for example in old World War II ammunition. “”
The young beekeeper admits that the free-flight method is dependent on the day, the weather and the season. In addition, legal questions would have to be clarified – what if the bee stings a suspect while sniffing? Is a bee acceptable evidence in court? Kessler is nevertheless convinced that bees can be of real help in the police force. She dreams of “” service bee squadrons “”. “It would be a shame not to use the bee’s potential,” “she writes.
The idea met with approval in the union. “” You shouldn’t smile at the topic, “says Michael Zielasko, editor and union spokesman. “We take it seriously.” “He got a lot of positive feedback. For the federal police, for example, bees could be of interest – as a useful addition to detection dogs.
In principle, one does not comment on statements made by trade unions, but rather briefly informs the Federal Police. One is not originally responsible. A spokeswoman refers to customs.
Bee expert Rosenkranz believes the suitcase version of the bees is basically possible, but not practical. The obstacles are the short lifespan of the insects and the required know-how for training and use. He thinks bee investigators in free flight are completely illusory. “If there is a rapeseed field blooming nearby, they’ll do a hell of a lot looking for drugs,” he says. “” They go where it tastes good. “” You can’t do that on the surface, if only because you have to find and catch the bees again.
“” I don’t think that’s feasible personally, “says the head of the GdP in Baden-Württemberg, Hans-Jürgen Kirstein. He couldn’t imagine how bees could be handled – even if one didn’t want to ignore new methods. Ulrich Kinkel, President of the Württemberg Beekeepers’ Association, is also skeptical. ““ There are a lot of questions unanswered. ”“ In summer bees would only live a few weeks. “So it takes a lot of training,” says Kinkel.
And the customs? “” We read about it and smiled a bit about it, “says Thomas Seemann, spokesman for Stuttgart Customs. There are nine dogs in action in the Swabian metropolis that can sniff out drugs and narcotics, but also some cash and tobacco. Seemann doubts that bees can be trained in this way. Customs is anything but hostile to bees. Several bee colonies lived on the roof of the main customs office in Stuttgart. The customs officers also have something from that – around 30 kilos of “” customs honey “” per year.
Wasps, hornets and bees have a problem: they scare us humans without us having to be afraid of them. Because none of the animals simply attacks and stings. So how can coexistence get better?
Are hornet stings fatal? Are wasps aggressive attackers? Should you stay calm or hit better? When am I particularly interesting for wasps? What can I do so that the animals are not interested in me? Are the animals protected? Cause the animals damage the house?
They’re black and yellow and a danger: that’s mostly what you think of wasps, hornets, and bumblebees. Bees are also popular, but they have a better image – after all, they produce our honey. But how realistic is the danger that is assigned to the small insects? And what is the best way to get along with them? Information on common questions and many a prejudice:
Are hornet stings fatal?
The poison of hornets is no more dangerous than that of bees and also not of wasps – because hornets are members of the same family. With the exception of allergy sufferers or if the stitches are in the mouth and throat area, there is no need to worry. According to the Naturschutzbund Deutschland (Nabu), a hornet sting is more painful, which may be due to the longer and stronger sting and a poisonous component. By the way: hornets never attack for no reason. They even prefer flight to conflict and are more shy than honeybees.
What makes bees so special
Photo series with 6 pictures
Are wasps aggressive attackers?
No. But sometimes they are a little freaked out and panicked. Especially from late summer, when the people begin to die. While until then they only needed protein to raise their larvae, they are now looking for sugar in a targeted and particularly persistent manner, explains the State Association for Bird Protection in Bavaria (LBV). So they end up at our tables and food and drinks.
Should you stay calm or should you shut up better?
Animal rights activists have a clear answer to this question: under no circumstances kill! In the case of the hornets, killing without permission is even forbidden. Now sometimes you are just so annoyed by the black and yellow pests that you want to strike.