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United States Department of Agriculture

Agricultural Research Service

Composite picture of the periodical cicada, Magacicada septendecim


Noisy Brood Emerged this Spring

The periodical cicada, Magicicada septendecim, finally emerged this spring at the U.S. National Arboretum.
 
This fascinating event occurs every 17 years, and is a real treat for anyone who has an interest in entomology.  A group of periodical cicadas that live in a specific area, often covering parts of several states, emerge at the same time and are known as a brood.  There are at least 30 known broods, and Brood X, which emerges this year, is the most spectacular and occurs over a large part of the mid-Atlantic region and parts of the Midwest. 
 
Click here for a photo gallery of Cicadas at the Arboretum. You can also click here for more information on cicadas and to learn how to protect young trees.

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Dec 06, 2005
Arboretum Hosts 5th World Bonsai Convention
May 27, 2005
National Herb Garden Celebrates 25th Anniversary
May 20, 2005
Amaryllis Featured in Arboretum Exhibit
Dec 12, 2003
U.S. National Arboretum--Still Beautiful at 75
May 29, 2002
Secy. Veneman Launches Arboretum's 75th Anniversary
Mar 08, 2002
Renovations to Bonsai Museum Under Way
Nov 08, 2001
Last Modified: 3/19/2010