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Outdoor spiders are hard at work, devouring home and garden pests such as ants, flies, mosquitoes, aphids, and thrips. It’s estimated they kill 400 to 800 million metric tons of prey worldwide ...
Keep the inside and outside of your home neat and tidy, clearing away webs and the dusty environment that spiders prefer; Simply use a cup and piece of paper to capture and move the spider outside.
“The majority of the spiders cause us no harm and are predators of pests,” says entomologist Roberto M. Pereira, Ph.D., an insect research scientist with the University of Florida. Translation ...
Similar concerns exist in Germany, where in 2005, a "cyber squirrel" crippled the entire electrical grid south of the River Elster for an hour. This squirrel was described as "a furry suicide bomber" ("pelzige[r] Selbstmordattentäter"). [24] Squirrels have been the cause of many power outages in Pennsylvania.
Bites from the recluse spiders cause the condition loxoscelism, in which local necrosis of the surrounding skin and widespread breakdown of red blood cells may occur. [4] Headaches, vomiting and a mild fever may also occur. [4] Other spiders that can cause significant bites include the Australian funnel-web spider [5] and South American ...
Ballooning, sometimes called kiting, is a process by which spiders, and some other small invertebrates, move through the air by releasing one or more gossamer threads to catch the wind, causing them to become airborne at the mercy of air currents and electric fields. A 2018 study concluded that electric fields provide enough force to lift ...
An entomologist explains how to get rid of spiders indoors and outdoors, plus how to identify two dangerous species: black widow and brown recluse spiders.
Latrodectus hesperus, the western black widow. “The northern black widow, Latrodectus variolus, lives in the northeastern U.S. and southeastern Canada,” Crawford says.These females lack the ...