Macroinvertebrate
The Stonefly (Order Plecoptera) was officially adopted on May 4, 2005, in recognition of the importance of excellent water quality and the vital role played by healthy aquatic ecosystems. It was supported by Gunning-Bedford Middle School, Salesianum High School, Delcastle Technical High School, Dickinson High School Environmental Club, The Independence School, Springer Middle School, St. Andrews School, and The Charter School of Wilmington.
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