Wisconsin Odonata Survey


Calopteryx aequabilis  Say, 1839
River Jewelwing

Calopterygidae, Broad-winged Damsel Family


Global: G5     Wisconsin: S5    

Distinguishing Characteristics:

This metallic green damselfly has dark colored bands on tips of wings; the bands on the hindwings are being wider than those on the forewings. Females have small white spots near tips of wings (stigmas). The length of the body varies from 1.7 to 2.1 inches for both males and females.

Description of Habitat/Range:

This species is common throughout northern United States and southern Canada. It is usually found on a variety of small to medium streams and rivers, especially along swift riffles. It is common and widely distributed on larger, flowing waters throughout Wisconsin.

Flight Season:

Early June to mid-August in Wisconsin.

Shading illustrates monthly percentages of the total flight season records for the species. Each flight season record is a unique date/location/observer combination where one or more adult or an exuvia was recorded (excludes nymphs). The actual number of flight season records for each month is shown in parentheses.

Flight seasons begin earlier in the southern part of the state, often by a week or more. Also, flight charts may not be accurate for rare species because of few data available.
View user-submitted photos

(Click on photos to enlarge)
Photo of Male river jewelwing
Male river jewelwing. © Dan Jackson

Photo of Male river jewelwing
Male river jewelwing. © Mike Reese

Photo of Teneral male river jewelwing
Teneral male river jewelwing. © Dan Jackson

Photo of Female river jewelwing
Female river jewelwing. © Dan Jackson

Photo of Immature female river jewelwing
Immature female river jewelwing. © Dan Jackson

Photo of River jewelwing pair
River jewelwing pair. © Dan Jackson

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