July 22, 2018

IMAGINE HOW MUCH LESS THEY'D DO IF THEY HAD FREE WILL:

Most worker ants are slackers (David Shultz, Oct. 6, 2015 , Science)

Ants and bees have reputations as efficient team players. In Temnothorax rugatulus--a small brown ant found in pine forests in North America--division of labor is common, with workers specializing in tasks like foraging, building, and brood care. But new research shows that many ants in a colony seem to specialize in doing nothing at all. To get a closer look at how these ants filled their time, researchers marked every member of five lab-based colonies with dots of colored paint. Over the course of 2 weeks, a high-definition camera recorded 5-minute segments of the ants in action six times a day, capturing their behavior (or lack thereof). Out of the "workers," 71.9% were inactive at least half the time, and 25.1% were never seen working. A small fraction of the ants, just 2.6%, were always active during observation, the researchers wrote last month in Behavioral Ecology and Sociobiology. 

Posted by at July 22, 2018 4:36 AM

  

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