Tuesday , August 9 2022

Dracula Ant & # 39; s Make Deadly Snap-jaw & # 39; Animal Fastest in the World & # 39;


Sorry, hazelnuts and pilgrim falcon, the fastest animal in the world is … the kernel of Dracula. And it's all thanks to snap its jaw fatal.

According to a new study, ant Dracula, Mystrium camillae, Can & # 39; catch his mandibli b & # 39; & # 39 speeds; up to 90 meters per second (over 200 mph), and & # 39; so the more movement of animals listed in the record.

The ants use this shifting & # 39; strong impact, which is 5,000 times faster than eyes, to attack other arthropods, jinstordawhom, spread against the tunnel wall or imbuttarhom, according to researchers whose report was published in the journal Science of the Royal Society Open. The poor prey then transported back to the nest, which is forwarded to the rabbit larvae.

"These ants are fascinating because of their mandibli not unusual", said animal biology University & # 39; Illinois and professor of entomology Andrew Suarez, who led the research with & # 39; Fredrick J. Larabee, Postdoctoral researcher at the National Museum of Natural History Smithsonian; Adrian A. Smith, the Natural Sciences Museum & # 39; North Carolina and the University & # 39; the northern state & # 39; North Carolina, Raleigh. "Even among ants that amplify the power of their jaws, the Dracula ants are unique: Instead of using three different parts to the spring, latch and lever arm, three are united in mandib."

Another type of & # 39; ant, ant trap-jaw, also use the mandibi speed in the blink-or-you-miss-it to capture or destroy the prey and fight other ants. But the mandible b & # 39; health of the trap-jaw ants formation close an open position, while Dracula ants convene & # 39; their mandibli by jippressa ends together, jirrilaxxahom b & # 39; internal impressions release when filling the slides on the other hand, similar to finger & # 39; Snap, said the researchers.

"Scientists have described many different mechanisms & # 39; spring load in the formulas, but nobody knew the relative speed & # 39; each of these mechanisms," said Larabee. "We use incredibly fast cameras to see the whole movement. We used also technology & # 39; the X-ray image X to be able to & # 39; see their anatomy in three dimensions, to better understand the operation to the movement. "

Entomology and animal biology professor Andrew Suarez and his colleagues studied the speed and the mechanical properties of the ant Dracula. (Photo Credit: L. Brian Stauffer)

From beginning to end, the action takes 0.000015 seconds, ranging from zero to 320 km / h (198 mph) at a fraction of & # 39; instant

The team & # 39; research also conducted computer simulations of mandibli snaps & # 39; Kaste of different & # 39; Dracula ants to test how the shape and structural characteristics of the mandibi affected the health of their snap.

"Our main findings are that snap Jaws are the fastest mouth mouth pushed by the spring, and the rapid movement of animals currently known," said Larabee.

This species & # 39; Dracula ants found mostly in Australia, tropical Africa and Southeast Asia. Rarely encountered since living in & # 39; large colonies underground, or inside tree trunk. Their name was derived from the disease of bad catch, but their extremely extraordinary eating habits. They practice type & # 39; "destructive cannibalism", to fill holes and eat emolymph ( "blood" of & # 39; insects) of KOLPA and larvae of the colony itself.

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