Williamson's Emerald - Somatochlora williamsoni (Walker, 1907)

This is a species of concern. Please report any encounters to Odonata Central.

Range & Habitat:

So far recorded in 3 northwestern counties, it has a tendency to show up when Allen is on family outings.

Habitat seems to be wherever Allen takes his family for a picnic in July.

Flight Season:
Early Date: 25 May
Late Date: 31 July

Flight season charts created from records in the official database maintained by Allen Barlow.

Male Lateral - Photo by Allen Barlow
Click on a thumbnail to view full-size photo

See the chart of NJ Striped Emerald male claspers


Conservation Status:
State: S1S2 Imperiled to critically imperiled in New Jersey
Global: G5 Secure globally, but possibly rare in parts of its range