|Status: Summer Resident.||Last recorded on site in 2021|
|1987-1991: Confirmed||1992-1996: Confirmed|
|1997-2001: Confirmed||2002-2006: Confirmed|
|2007-2011: Confirmed||2012-2016: Confirmed|
|The Patuxent web-site provides more general information about this species.|
|At this time of year, this species is uncommon on site.|
Occurs as a common summer breeder on site and can be found flying and foraging over all areas of the lab.
Photographer: Gene Oleynik.