''Cordulegaster sayi'', commonly known as Say's spiketail, is a species of

dragonfly A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of true dragonfly are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threate ...

in the family

Cordulegastridae The Cordulegastridae are a family of Odonata (dragonflies) from the suborder Anisoptera. They are commonly known as spiketails. Some vernacular names for the species of this family are biddie and flying adder. They have large, brown or black bodi ...

endemic to the United States.

References

Insects of the United States Cordulegastridae Insects described in 1854 Taxonomy articles created by Polbot {{dragonfly-stub