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Arthropods

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Female gypsy moths and eggs collect on the trunk of a host tree.

Unwelcome Guests

A new strategy to curb the spread of gypsy moths
November 16, 2006 | By Eric Jaffe

When fireflies mate the male bestows a "nuptual gift".

Your Branch or Mine?

Fireflies' come-hither signals are being decoded by penlight-wielding biologists who've found treachery, also, in the summer-night flashes
June 2005 | By Jessica Gorman

Shown about twice their normal size, a plain cristinae walkingstick prefers the ceanothus plant for blending in.

Net Gains

A California biologist discovered a new insect species and then caught evolution in the act
October 2002 | By Deborah Franklin

Leafcutter ants (such as this worker) bite half-moons from leaves in the forest, then drag the fingernail-size cuttings into their nests, where they

Small Matters

Millions of years ago, leafcutter ants learned to grow fungi. But how? And why? And what do they have to teach us?
May 2002 | By Douglas Foster

Dragonfly Dramas

Desert Whitetails and Flame Skimmers cavort in the sinkholes of New Mexico's Bitter Lake Refuge
January 2002 | By Jake Page

Around the Mall and Beyond

Plant and the butterflies will come: this summer the Smithsonian's new garden welcomes its winged visitors
August 1995 | By Michael Kernan


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