Some of the more unpleasant dangers of cockroaches involve close encounters with humans. Cockroaches are omnivores that will eat anything that does not get away. Unfortunately, this sometimes includes humans. There have been cases where cockroaches have preyed upon humans–usually those too old, young, or sick to brush them away. In these circumstances, cockroaches This is highly unlikely to happen, though it has been seen in cases of abuse or poverty.
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Anonymous2017-09-08 14:03
Young cockroaches have been reported to crawl over sleeping humans and crawl inside of ears, nostrils, and open mouths.
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Anonymous2017-09-08 15:24
>>2 Because of one such incident i sleep with ears plugged. Recovering that roach was extremely hard.
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Anonymous2017-09-09 4:32
A moth lives in my ear since several weeks ago, presumably sustaining itself on earwax. The fluttering of the wings was loud at first, but the ear adapted.
A cockroach was crawling around a man's ear canal for THREE days before it was finally killed off.
He spent hours trying to scoop out the invader including using tooth picks and tweezers.
In desperation the 60-year-old repeatedly doused the bug with pesticide until it stopped moving - but its carcass remained wedged in his canal.
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Anonymous2017-09-10 15:27
South African hospital pulled 24 critters out of people’s ears. Ten were German cockroaches, followed by eight flies, three beetles, a tick, an assassin bug, and a badly mangled moth.
Why so many roaches? “Roaches are searching for food everywhere,” Schal says. “And earwax might be appealing to them.”
Earwax harbors bacteria that produce compounds called volatile fatty acids. Meat also emanates these compounds, “so a roach could go in to explore and then get stuck,” Schal says. Likewise, nasal secretions might be appealing to a roach hunting for a midnight snack.
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Anonymous2017-09-10 15:37
Mr Li discovered he had an entire family of the bugs in his ear.
Not only was there a big mummy cockroach taking up residence in his ear canal, but she had spawned 25 little baby roaches.
He had gone to hospital after his ear became itchy and painful.
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Anonymous2017-09-11 7:41
The only cure to Zerg infestation is blowing up the planet.
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Anonymous2017-09-14 13:16
Cockroaches can be conditioned, just like Pavlov's dogs. Makoto Mizunami and his colleague Hidehiro Watanabe, both of Tohoku University, found cockroaches could also be conditioned this way.
They introduced the scent of vanilla or peppermint just before giving the roaches a sugary treat. Eventually, the cockroaches would drool – yes, drool – when their antennae detected one of these scents in the air.
Roaches are thigmotropic, meaning they like feeling something solid in contact with their bodies, preferably on all sides. They seek out cracks and crevices, and will squeeze into spaces that offer them the comfort of a tight fit. The small German cockroach can fit into a crack as thin as a dime, while the larger American cockroach will squeeze into a space no thicker than a quarter. Even a pregnant female can manage a crevice as thin as two stacked nickels.
The fastest start time clocked by a cockroach was just 8.2 milliseconds after it sensed a puff of air on its rear end. Once all six legs are in motion, a cockroach can sprint at speeds of 80 centimeters per second. And they're elusive, too, with the ability to turn on a dime while in full stride.