Cicada carcasses raising a stink

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Local insect experts are savoring the scent of dead cicadas as the red-eyed bugs' decaying carcasses pile up by the thousands around the region each week.

"Yes, they do smell," said Nate Irwin, director of the Smithsonian Institution's Otto Orkin Insect Zoo. "But as a biologist, I find it reaffirming. It tells me that things are pretty good in the natural world."

Mr. Irwin said that, for most people, cicadas "are a nuisance in areas where there are a lot of rotting bodies ... [but] I'm disappointed my neighborhood hardly has any carcasses."

Gary F. Hevel, a Smithsonian Institution entomologist since 1969, said residents shouldn't blame the bugs for smelling bad.

"They don't have much choice," Mr. Hevel said. "They just drop down to the ground and there they are.

"I don't like the smell, but I realize it's a good thing," he added. "It's a natural cycle of nutrition that benefits every organism."

The Washington area and other regions in the eastern United States have been beset by Brood X cicadas -- thumb-sized, winged insects that emerge from the ground by the millions every 17 years to mature, mate, lay eggs and die over several weeks. Having reached their peak, the cicadas now are dropping like flies -- and are leaving a distinctive odor in their wake.

"I'm not complaining," said Gaye L. Williams, an entomologist with the Maryland Department of Agriculture. "I mean, it's dead insects. It's just background smell to me."

Some people in the District yesterday disagreed with the bug experts, comparing the odor to that of "rotted meat."

"It's not something I would choose to smell," said Abby Mansfield, a 23-year-old AmeriCorps volunteer. "It's a pungent, decaying odor."