Small green, black and blue damselflies.
MALE: Thorax black above, with green shoulder stripes; pale green sides.
Abdomen mostly black, with blue tip (on segments 8 & 9) and thin pale rings; black spots on sides of blue tip.
Eyes dark above, greenish below, with small green eyespots.
Some males with posita-like broken stripe:
FEMALE: Mature females powdery grayish-blue throughout, with black markings absent or obscured; eyespots pale blue.
Immature female thorax bright orange
with black dorsal and shoulder stripes; abdomen orange at base and black above, with no blue or orange at tip
; orange eyespots. (1)
Ed Lam lists some unusual female pattern variations on page 81
From the Atlantic coast to the Midwest U.S. From north of Florida to Southern Canada.
A variety of wetlands, but most common at small well-vegetated ponds. (1)
, or the Western Forktail. Western and Eastern Forktails are virtually identical and best told by range. (1)
"Stokes Beginner's Guide to Dragonflies", pages 70-71 (1)
The Insects of Cedar Creek
has info and photos of pinned adults.
Raphael Carter's Home Page
has a nice article on I. verticalis
complete with several photos.
Gloria Mundi Press
has photos of adults as well as scanned specimens.