Enallagma carunculatum
(Tule Bluet)


Order: Odonata
Suborder: Zygoptera
Order Description:
Damselflies
Family: Coenagrionidae
Family Description: Bluet

Description:
   Naiad- This is a small naiad ¾ to one inch (19 to 23 mm) long. It has the typical slender shape of immature damselfies. They range in color from green to light brown.
   Adult-This is a small damselfly 1 ¼ to 1 ½ inches (31 to 37 mm) long. The males are predominately blue on the sides of the thorax, and the upper side of the abdomen is predominantly black, except for segments one and two, and eight and nine, which are blue. Females are pale blue to greenish-yellow. The upper side of the abdomen is mostly black, except for segment eight, which is blue with a black stripe down the center.

Range:
This species is found from southern British Columbia east to Nova Scotia, and south to Maryland, Oklahoma, New Mexico, and Baja California. In Idaho it occurs throughout the state.

Habitat:
This damselfly occurs at lakes and ponds that have stands of bulrushes along the shore.

Adult Flight Season:
July 8 to October 15

Diet:
   Naiad-Naiads eat a wide variety of aquatic insects, including mosquito larvae, mayfly larvae, and other aquatic fly larvae.
   Adult-Adults eat a wide variety of small soft-bodied flying insects, such as mosquitoes, mayflies, flies and small moths. They will also pick small insects such as aphids from plants.

Ecology:
The Tule Bluet is almost always found where there are extensive stands of tules. This damselfly will emerge from relatively deep water as long as there are bulrushes nearby. This species can also be found in alkaline or salty water.

Reproduction:
The males set up territories at choice breeding sites. After males and females mate, the male remains attached to the female (called "in tandem"), as she oviposits in the stems of bulrushes.

Conservation:
Populations are widespread, abundant, and secure.
Status: Unprotected nongame species
Global Rank: G5
State Rank: S?

References:
Corbet, P. S. 1999. Dragonflies: Behavior and Ecology of Odonata. Cornell University Press, Ithaca, New York, USA, 829pp.

Logan, E. R. 1967. The Odonata of Idaho. Unpublished M. S. thesis. University of Idaho, Moscow, Idaho, USA, 105 pp.

Needham, J. G. and M. J. Westfall. 1955. Dragonflies of North America. University of California Press, Berkely, California, USA, 615 pp.

Paulson, D. R. 1999. Dragonflies of Washington. Seattle Audubon Society, Seattle, Washington, USA, 32 pp.

Walker, E. M. and P. S. Corbet. 1975. The Odonata of Canada and Alaska, Vol. III. University of Toronto Press, Toronto, Ontario, Canada, 307 pp.


Written by Mark Lung and Stefan Sommer, 2001
Photos by Dennis Paulson, 2001
Design by Ean Harker, 2001.

HTML by Marty Peck, 2001.