Dragonfly is World-Record Flier

Researchers have determined that a diminutive insect out-flies all other winged migrators by traveling thousands of miles between continents and across oceans yearly.

Bob Grant
Bob Grant

Bob started with The Scientist as a staff writer in 2007. Before joining the team, he worked as a reporter at Audubon and earned a master’s degree in science journalism...

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Mar 3, 2016

Pantala flavescens is one heck of a flier.WIKIMEDIA, ALPSDAKESome call it the wandering glider. Others refer to it as the globe skimmer. And scientists have recently confirmed that Pantala flavescens, a 4.5-cm-long dragonfly, didn’t get those names for nothing. An international team has determined that the tiny insect holds the world record for the longest flights taken by any species, including birds and monarch butterflies. Publishing their results in PLOS ONE yesterday (March 2), the researchers report that gene flow is occurring in the globally distributed species between populations separated by vast oceans and thousands of kilometers.

“This is the first time anyone has looked at genes to see how far these insects have traveled,” study coauthor Jessica Ware, a biologist at Rutgers University-Newark in New Jersey said in a statement. “If North American Pantala only bred with North American Pantala, and Japanese Pantala only...

Ware and colleagues’ genetic work support the estimate that P. flavescens could be flying between 14,000 and 18,000 km every year to find suitable sites for mating, egg laying, and more. It also confirms the observation that P. flavescens is the only known insect to undertake transoceanic migrations, as they fly between Africa and Asia over the Indian Ocean.

“This is a significant study because it reveals for the first time that this globally distributed, migratory species should really be looked at as a single global panmictic population,” University of Alabama biologist John Abbott, who was not involved with the study, told Newsweek.

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Dragonfly is World-Record Flier

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