Double-striped Bluet - Enallagma basidens (Calvert, 1902)

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

Range & Habitat:

Has been recorded at scattered spots around the state. It may be increasing its range into the northeast.


Flight Season:
Early Date: 21 May
Late Date: 3 October

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

Male Oblique - Photo by Jim Bangma
Click on a thumbnail to view full-size photo

A small bluet, the abdomen is more blue than black. Typically S8 &S9 are completely blue and S10 is 1/2 blue. The black humeral stripe is narrowly divided by a thin blue line that can be hard to see but is diagnostic. The black middorsal stripe is also divided by a blue line, similar to the much larger Big Bluet.


Conservation Status:
State: S3 Rare in New Jersey
Global: G5 Secure globally, but possibly rare in parts of its range