description Cordulegaster sayi Overview
Cordulegaster sayi, commonly known as Say's spiketail, is a species of dragonfly in the family Cordulegastridae. First described by Edmond de Selys Longchamps in 1854, the insect is anatomically characterized by its dark brown or black body marked with distinct yellow abdominal bands. It is a localized species largely restricted to the southeastern United States, where it inhabits and breeds along small, sandy forest streams.
help Cordulegaster sayi FAQ
What is the common name for Cordulegaster sayi?
Cordulegaster sayi is commonly known as Say's spiketail. It belongs to the family Cordulegastridae, which consists of large, striking dragonflies. The insect was first described by the Belgian entomologist Edmond de Selys Longchamps in 1854.
What does the Say's spiketail dragonfly look like?
This dragonfly is anatomically characterized by its dark brown or black body marked with distinct yellow abdominal bands. These bright markings stand out against its dark background, serving as camouflage in its wooded habitats. The large size and spiketail abdomen are distinctive field markers.
Where can I find Say's spiketail dragonflies?
Cordulegaster sayi is native to North America, typically found in the southeastern United States. They prefer clean, sandy-bottomed forest streams where the females lay their eggs. Protecting these specific freshwater habitats is crucial for the survival of the species.
Who is the Say's spiketail named after?
The species was officially described by Edmond de Selys Longchamps, a prominent 19th-century scientific figure. The specific name "sayi" honors Thomas Say, a pioneering American entomologist. Say is often considered the father of American entomology.
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