In Arizona, monsoon storms stimulate the growth of weeds and other plants, essential food in the caterpillar’s development. There are more caterpillars than in years past because of the ...

White-lined sphinx moth caterpillars can grow up to 5 inches long. After abundant monsoon storms, caterpillars are showing up in Arizona swimming pools and gardens, and on walls and hiking trails.

The caterpillars are a common sight during Arizona's monsoon season, but this year's brood seems particularly large, said Nico Franz, curator for the Hasbrouck Insect Collection at Arizona State ...

The caterpillars are a common sight during Arizona's monsoon season, but this year's brood seems particularly large, said Nico Franz, curator for the Hasbrouck Insect Collect at Arizona State ...

PHOENIX — No, it’s not the end of the world — it’s just a massive swarm of caterpillars. North Phoenix, especially around the North Mountain area, has been inundated with large, fat ...

Thousands Of Caterpillars Invade Pools In Arizona Neighborhood August 4, 2017 / 12:46 PM EDT / CBS Philadelphia TUCSON, Ariz. (CBS) -- Pool owners in Tucson are dealing with a caterpillar infestation.

TUCSON, Arizona (KRON/CNN) — Thousands of caterpillars are invading a neighborhood in Tucson, Arizona. Many of them are ending up in swimming pools. Experts say the white lined sphinx ...

White-lined sphinx moth caterpillars can grow up to 5 inches long. After abundant monsoon storms, caterpillars are showing up in Arizona swimming pools and gardens, and on walls and hiking trails.

MESA — Kelsey Shaw and her two children pick up large yellow and green caterpillars just off the Bush Highway near Saguaro Lake. The children have no hesitation handling these nearly 2- to 3 ...