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A green grasshopper sits on a leaf. / Getty Images via iStockphoto

Grasshopper swarms in and around Albuquerque are so thick they are appearing on National Weather Service forecast radar.

"At first, there was some question about what it was," said David Craft, a meteorologist with the NWS office in Albuquerque, who said the swarms started appearing around Memorial Day.

Friday, meteorologists determined the mysterious objects were the grasshoppers residents had seen for weeks around town.

Unlike precipitation, the swarms of grasshoppers did not have clean edges and showed up for hours at a time on the radar, Craft said.

"Showers and thunderstorms come up and go down. They don't last long," Craft said.

Although grasshoppers are native to the region, an outbreak of this magnitude hasn't appeared in 20 years, said Paul Smith, manager of the urban biology division at the Albuquerque Environmental Health Department.

Heavy rainfall late last year increased the vegetation on which grasshoppers feed. After a mild winter that did not kill off as many eggs, the grasshopper population burgeoned.

"Coming back into a drought situation, now there's very little vegetation, so they're moving into the city where there's water," Smith said.

PUBLIC NUISANCE

The grasshoppers are harmless to humans. They don't bite or carry diseases, but they can be a nuisance.

"When people are jogging or biking, they smack people in the face, and it can hurt," said John Garlisch, extension agent at the Bernalillo County Cooperative Extension Service.

Plants are not safe, though. Grasshoppers eat tender plants and vegetables. In rural areas, farmers see damage to their melon, chile and pepper crops, but it's too soon to determine just how extensive that damage will be, Garlisch said.

For the average homeowner, pesticides are discouraged because they target only the insects present in the moment, not the many that will repopulate the area, Garlisch said. The best protection for plants is to keep them covered until this outbreak is over, he said.

How long the infestation will last is unclear. Smith said he expects the grasshoppers to start dispersing in the next two to three weeks as the insects run out of food, then are eaten by predators.

All people can really do is be patient.

"Catch them and go fishing. Dip them in chocolate," Garlisch said. "Have fun with it."

Follow @JolieLeeDC on Twitter.



Copyright 2014USA TODAY

Read the original story: Grasshopper outbreak surfaces on weather radar

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