Family: Skimmers (Libellulidae)
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Male dragonflies in the genus Libellula
are known to guard their mates while the female lays her eggs in the water at breeding habitats (Dunkle 2000).
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In New York, Yellow-sided Skimmers have only been confirmed extant at one location on Staten Island and one other probable location in Suffolk County (New York Natural Heritage Program 2011). There are historical locations in Westchester and Suffolk counties, where they have not been documented in recent years and there is at least some suggestion that these historical sites are no longer occupied (Donnelly 1999).
The Yellow-sided Skimmer has been confirmed on Staten Island in recent years near sphagnum bogs and sandy barrens (Lederer 1997) in at least one location. There are two other probable locations, one on Staten Island and one in Suffolk County within the last six years (Walter and Lederer pers. comm.). There are no additional records, even from recent efforts of the New York Dragonfly and Damselfly Survey (2005-2009) and the Staten Island Dragonfly Survey (White et al. 2010, Wollney 2011). Sightings of this species are fairly recent and infrequent in New York; therefore, short-term trends are unclear but at least the Staten Island population appears to be stable.
Recent observations since 1997 have been made on Staten Island (and two other probable sightings in Richmond and Suffolk counties), but information prior to this is limited (Donnelly 1999). There is some evidence that sites on Long Island where it once occurred have been degraded and the species was once known from Westchester county as well, so populations may be in decline. There are no additional records besides the one probable record from Suffolk county with the recent efforts of the New York Dragonfly and Damselfly Survey (2005-2009) and the Staten Island Dragonfly Survey (White et al. 2010, Wollney 2011).