About this Checklist deposit the eggs of further generations. This period  River Bluet S c  Emma’s Dancer NW,SW,SC o Dragonflies and Damselflies belong to the insect of adult activity is called the Flight Season. Following Enallagma anna M J J A S O N Argia emma M J J A S O N order Odonata, which is split into two suborders: each species is a phenogram [ M J J A S O N ], and Anisoptera – Dragonflies and Zygoptera highlighted in red are the months (May – Nov.) when  Familiar Bluet NE,SE c – Damselflies. This checklist includes 53 species of one might expect to see that species during the year. Enallagma civile M J J A S O N Dragonflies Anisoptera( ) Dragonflies and 29 species of Damselflies which are  Tule Bluet S c known to occur within the state of Montana. Each Species Observed through Oct. 2009 Darners Aeshnidae Enallagma carunculatum M J J A S O N species is listed under its family name and genus. Mosaic Darners Aeshna Common and scientific names are current with those  Alkali Bluet S u Damselflies (Zygoptera)  Black-tipped Darner NW u set by the Checklist Committee of the Dragonfly Enallagma clausum M J J A S O N Society of the Americas. Aeshna tuberculifera M J J A S O N Broad-winged Damsels Calopterygidae  Northern Bluet S c  Sedge Darner NW,SW u Jewelwings Calopteryx Enallagma annexum M J J A S O N Distribution Aeshna juncea M J J A S O N To the right of each common name, one or more  River Jewelwing NW,SW u  Boreal Bluet S c of the following regions will be listed to show the  Subarctic Darner NW,SW r Calopteryx aequabilis M J J A S O N Enallagma boreale M J J A S O N approximate distribution of the species within the Aeshna subarctica M J J A S O N  Marsh Bluet S c state.  Canada Darner NW u S – statewide Rubyspots Hetaerina Enallagma ebrium M J J A S O N Aeshna canadensis M J J A S O N  NW – northwest NC NE American Rubyspot NC,SC,NE,SE c  Hagen’s Bluet NE,SE c NW  Lake Darner NW,SW u SW – southwest Hetaerina americana M J J A S O N Enallagma hageni M J J A S O N NC – northcentral Aeshna eremita M J J A S O N  Rainbow Bluet NE,SE u SC – southcentral SC SE Spreadwing Damsels Lestidae  Variable Darner S c NE – northeast SW Enallagma antennatum M J J A S O N SE – southeast Pond Spreadwings Lestes Aeshna interrupta M J J A S O N  Spotted Spreadwing S c Forktails Ischnura  Zigzag Darner NW,SW u Abundance Lestes congener M J J A S O N  Pacific Forktail NW,SW,NC,SC c Aeshna sitchensis M J J A S O N To the far right of each common name, one of  Northern Spreadwing S c Ischnura cervula M J J A S O N  Lance-tipped Darner S u the following will be listed to show the relative abundance of the species within the state. Lestes disjunctus M J J A S O N  Western Forktail S c Aeshna constricta M J J A S O N c – common  Sweetflag Spreadwing SE o Ischnura perparva M J J A S O N  Paddle-tailed Darner S c Present in large numbers, are widespread, and Lestes forcipatus M J J A S O N  Eastern Forktail NC, NE, SE u Aeshna palmata M J J A S O N should be seen if you look in the right habitat.   Shadow Darner S c u – uncommon Lyre-tipped Spreadwing S c Ischnura verticalis M J J A S O N Present, but due to their low numbers, behavior, Lestes unguiculatus M J J A S O N Aeshna umbrosa M J J A S O N habitat, or distribution, they are not easily seen.  Emerald Spreadwing S c Red Damsels Amphiagrion However, an average observer should be able to Neotropical Darners Rhionaeschna Lestes dryas M J J A S O N  Western Red Damsel S c find them by looking in the right place at the right Amphiagrion abbreviatum M J J A S O N  California Darner NW,SW,SC,SE c time. Rhionaeschna californica M J J A S O N o – occasional Pond Damsels Coenagrionidae Present in low numbers, but are not expected Eurasian Bluets Coenagrion Sprites Nehalennia  Blue-eyed Darner NW,SW,NC,SC,SE u to be seen without a special effort to find them.  Prairie Bluet NC o  Sedge Sprite NW,SE u Rhionaeschna multicolor M J J A S O N At least a few are seen each year within their Coenagrion angulatum M J J A S O N Nehalennia irene M J J A S O N specific habitats. Green Darners Anax r – rare  Subarctic Bluet NW o Dancers Argia  Common Green Darner S c Not expected to be seen every year. They occur Coenagrion interrogatum M J J A S O N  Paiute Dancer SW u Anax junius M J J A S O N in low numbers, may also be secretive or hard to  Taiga Bluet S c identify, and may be unreported for several Argia alberta M J J A S O N Coenagrion resolutum M J J A S O N years.  Variable Dancer NE,SE o Clubtails Gomphidae Argia fumipennis M J J A S O N Pond Clubtails Arigomphus Seasonal Occurrence American Bluets Enallagma  Horned Clubtail SE u While dragonfly and damselfly larvae are present  Arroyo Bluet NE,SE u  Vivid Dancer NW,SW,SC,SE u Arigomphus cornutus M J J A S O N within their aquatic habitats throughout the year, Enallagma praevarum M J J A S O N Argia vivida M J J A S O N the adults emerge at specific times to mate and Common Clubtails Gomphus  Mountain Emerald NW,SW c Pondhawks Erythemis  Pronghorn Clubtail NW,NC,NE,SE u Somatochlora semicircularis M J J A S O N  Western Pondhawk SW o Gomphus graslinellus M J J A S O N  Ocellated Emerald NW,SW u Erythemis collocata M J J A S O N CHECKLIST OF  Plains Clubtail NE,SE u Somatochlora minor M J J A S O N Gomphus externus M J J A S O N  Brush-tipped Emerald NW o Meadowhawks Sympetrum  Somatochlora walshii M J J A S O N Variegated Meadowhawk S c Sympetrum corruptum M J J A S O N MONTANA Hanging Clubtails Stylurus  Plains Emerald SE r   Brimstone Clubtail SE r Somatochlora ensigera M J J A S O N Red-veined Meadowhawk S u DRAGONFLIES & Stylurus intricatus M J J A S O N Sympetrum madidum M J J A S O N Baskettails Epitheca  White-faced Meadowhawk S c DAMSELFLIES Ringtails Erpetogomphus  Spiny Baskettail NW c Sympetrum obtrusum M J J A S O N  NC r Eastern Ringtail Epitheca spinigera M J J A S O N  Striped Meadowhawk S c Erpetogomphus designatus M J J A S O N Sympetrum pallipes M J J A S O N Skimmers Libellulidae  Cherry-faced Meadowhawk S c Snaketails Ophiogomphus Whitetails Plathemis Sympetrum internum M J J A S O N  Pale Snaketail NW,SW,NC,SC,SE c  NW,SW,SC,SE c Common Whitetail  Saffron-winged Meadowhawk S c Ophiogomphus severus M J J A S O N Plathemis lydia M J J A S O N Sympetrum costiferum M J J A S O N  Sinuous Snaketail NW,SW u  Band-winged Meadowhawk S c Ophiogomphus occidentis M J J A S O N Corporals Ladona Sympetrum semicinctum M J J A S O N  Chalk-fronted Corporal NW c  Black Meadowhawk NW,SW,NC,SC c Spiketails Cordulegastridae Ladona julia M J J A S O N Spiketails Cordulegaster Sympetrum danae M J J A S O N  Pacific Spiketail NW u King Skimmers Libellula  Autumn Meadowhawk NW, SW u Cordulegaster dorsalis M J J A S O N  Four-spotted Skimmer S c Sympetrum vicinum M J J A S O N Libellula quadrimaculata M J J A S O N Rainpool Gliders Pantala Cruisers Macromiidae  Flame Skimmer NW,SW,NC,SC u  Wandering Glider SE r River Cruisers Macromia Libellula saturata M J J A S O N  SE r Pantala flavescens M J J A S O N Swift River Cruiser  Eight-spotted Skimmer NW,SW,SC,SE c Macromia illinoiensis M J J A S O N Libellula forensis M J J A S O N  Twelve-spotted Skimmer S c Emeralds Corduliidae Libellula pulchella M J J A S O N More Information: Common Emeralds Cordulia This checklist was developed by Nathan S. Kohler and  NW,SW,SC c Coburn Currier and contains information obtained from their American Emerald Whitefaces Leucorrhinia own observations as well as information from the databases Cordulia shurtleffii M J J A S O N  Belted Whiteface NW,SW,SC c of The Montana Natural Heritage Program at: http://www. Leucorrhinia proxima M J J A S O N mtnhp.org/tracker and OdonataCentral (University of Texas Flame Skimmer Photo by Nate Kohler Striped Emeralds Somatochlora at Austin) at: http://www.odonatacentral.org  Dot-tailed Whiteface NW,SW,SC,SE c Additional distribution data were gathered from dot maps  Ringed Emerald NW,SW u Leucorrhinia intacta M J J A S O N published by T.W. Donnelly: Distribution of North American Somatochlora albicincta M J J A S O N Odonata Parts I-III, Bulletin of American Odonatology, Vol. 7,  Hudsonian Whiteface NW,SW,SC u  Hudsonian Emerald NW,SW o No. 4 & Vol. 8, No. 1-3, 2004. Leucorrhinia hudsonica M J J A S O N Recommended guide books for this region: Dragonflies and Somatochlora hudsonica M J J A S O N Damselflies of the West by Dennis Paulson, Dragonflies  Crimson-ringed Whiteface NW u  Whitehouse’s Emerald SW r through Binoculars by Sidney W. Dunkle, and Damselflies of Leucorrhinia glacialis M J J A S O N Alberta by John Acorn. Somatochlora whitehousei M J J A S O N A taxonomic photo collection of Montana’s Dragonflies and  Boreal Whiteface SW u Damselflies can be viewed at: http://www.flickr.com/photos/ December 2009 Leucorrhinia borealis M J J A S O N gyr/collections/