It's bad luck killing spiders
Cold weather attracts spiders into the house
NABU asks not to kill the beneficial organisms
The cold season not only makes people retreat to their homes. The familiar home is now increasingly populated by unwelcome roommates: spiders who hope to survive the winter in a quiet corner of the room.
Changeable crab spider - Photo: Frank Derer
Cup spider - Photo: Helge May
Garden spider wrapped around prey - Photo: Helge May
Male harvesters (Leiobunum spec.) - Photo: Helge May
Male red tube spider - NABU / Photo: Jürgen Eggers
Wolf spider with hatching young spiders - Photo: Helge May
Four-spot garden spider with grasshopper - Photo: Frank Derer
November 15, 2019 - The clocks were recently switched from summer to winter time, cold and snow are not far away. "Now a" scary "time is beginning again for many people," said Philip Foth, press spokesman for NABU Lower Saxony. “Because especially in the evenings there are sometimes unpleasant encounters between humans and spiders, because the spiders like to retreat to our nice and warm apartments on cold evenings. They hope to be able to steal prey there. ”The eight-legged visitor leads to sometimes violent reactions, but even if it may be difficult: do not kill the unloved beneficial insects under any circumstances, but put them back alive at the door!
The widespread fear of Spinenn is unfounded, because the native species are completely harmless to humans. They are even useful to humans because they devour insects: "Mosquitoes, moths and winged aphids are the preferred food of spiders," explains Foth. The importance of spiders in regulating the insect fauna should therefore not be underestimated. "Anyone who leaves a small pile of wood, a pile of stones or a few withered shrubs in the garden can easily create a habitat for spiders and thus regulate the insect fauna in a natural way."
Around 1000 species of spiders live in Germany
In order to catch their prey, the spiders have developed different methods: The orb web spiders build typical spiral webs in the middle of which they lurk for prey. They have sensory organs on their legs with which they can perceive the finest vibrations. When a victim gets lost on its web, the spider catches it and eats it. Sometimes a supply is also created. Then the spider wraps its thread around its victim. Jumping spiders lurk in leaves and on walls for insects and jump at them with one big leap. Crab spiders sit on blossoms where they wait for their victims. For camouflage, they are often the same color as the flower. When a fly or bee lands on the flower, the spider perceives the vibrations with its tactile organs on its legs and prey on the insect.
Winkelspider - Photo: Helge May
Don't be afraid of spiders! They are fascinating, useful and ...
Among other things, the angle spider feels quite comfortable in our houses. It is considered a classic "disgusting animal" because it is large, dark brown and thickly haired. If you take a closer look at the animal, you will quickly see that this spider consists almost entirely of legs. The actual body is only about two inches tall. So actually no reason to be afraid.
If you still do not want to tolerate this roommate, NABU asks you not to treat the useful animals with slippers, vacuum cleaners or newspapers, but to trap them in a glass and bring them outside.
Most spiders get lost in our houses, only a few actually feel comfortable there. The garden spider, for example, whose artfully woven webs can now be seen everywhere in gardens and in flower pots on terraces and balconies, is not adapted to life in houses and dies at the latest when you start to heat. Because then the humidity drops and the spiders dry up. This also applies to the small, black and white striped zebra jumping spider that can often be seen on house walls.
.... completely harmless
All spider species, of which there are around 1,000 in Germany alone, live predatory by hunting other insects. They therefore have an important function in nature as regulators of the insect fauna. You get an idea of how important spiders are in the ecosystem if you look at the countless spider webs on a meadow, heavy with dew drops, early in the morning - a wonderful sight for every spider friend.
more on the subject:
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