Family: Darners (Aeshnidae)
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Although not breeding in every year, a population of Comet Darners has persisted at a pond in central Pennsylvania for over five decades (Shiffer and White 1995).
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This species is confined to the southern half of the state and most of the known occurrences are at imperiled (S2) Coastal Plain Ponds on Long Island. Further upstate, it has been found breeding at a few widely scattered locations in many different types of pond habitats.
Although discovered in fewer counties during the NYDDS, the range in New York seems to have expanded somewhat since pre-2000 (White et. al. 2010). The first known population in western New York was discovered in 2006 near Jamestown, and newly- discovered populations in the Finger Lakes region are reported to be quite abundant (Gregoire and Gregoire 2007). Comet Darners have also been observed further north in the Hudson Valley (Rensselaer, Saratoga Counties), but it is unclear whether these represent established breeding popualtions or wandering individuals.
The Comet Darner has been known from the New York City area since the late 1800s, and it's general range in the state seems to be relatively stable (White et al., 2010).