springtime darner

(Basiaeschna janata)

Conservation Status
springtime darner
  IUCN Red List

not listed

     
  NatureServe

N5 - Secure

SNR - Unranked

     
  Minnesota

not listed

     
           
           
           
           
           
           
 
Description
 
 

The thorax is brown with two narrow, straight, pale yellow to white stripes. On young individuals there are two similar stripes on the upper (dorsal) surface, but these fade with age. The abdomen is brown with blue spots on males, blue or green spots on females. The blue spots may be gray during cool temperatures. The cerci on the female are narrow and as long as the 9th and 10th abdominal segments together. Males have paddle-type claspers. There is a small, opaque, brown spot at the base of each wing.

Two field guides, Dragonflies of the North Woods (2003) and Dragonflies through Binoculars: A Field Guide to Dragonflies of North America (2000), state that springtime darner has blue eyes. BugGuide.net states that the eyes are “generally blue.” All of the photos in both field guides and on the Websites BugGuide.net, Odonata Central, and Wisconsin Odonata Survey, show either brown eyes or mostly brown eyes with a small blue area. My photos show brown eyes. The eye color would best be described as “brown, often with some blue.”

The eyes are brown, often with some blue.

 
     
 

Size

 
 

2 to 2

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Slow streams and rivers in forested areas, ponds, and small lakes with little shoreline vegetation.

 
     
 
Biology
 
 

Season

 
 

Mid-May to early July

 
     
 

Behavior

 
 

 

 
     
 

Life Cycle

 
 

After the common green darner, which emerges in April, this is the earliest darner to emerge in the spring. No other darners emerge before mid-June.

 
     
 

Nymph Food

 
 

 

 
     
 

Adult Food

 
 

Flying insects

 
     
 
Distribution
 
 

Distribution Map

 

Sources

7, 17, 18, 29, 70, 72.

 
  9/15/2015      
         
 

Occurrence

 
 

Common

 
         
 
Taxonomy
 
 

Order

Odonata (dragonflies and damselflies)  
 

Suborder

Epiprocta  
  Infraorder Anisoptera (dragonflies)  
 

Superfamily

Aeshnoidea  
 

Family

Aeshnidae (darners)  
 

Genus

Basiaeschna  
       
 

Synonyms

 
 

 

 
       
 

Common Names

 
 

springtime darner

 
       

 

 

 

 

 

 

 

Glossary

Cercus

One of a pair of small sensory appendages at the end of the abdomen of many insects and other arthropods. In Odonata, one of the upper pair of claspers. Plural: cerci.

 

 

 

 

 

 
 
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MinnesotaSeasons.com Photos
 
    springtime darner   springtime darner  
           
    springtime darner      
           

 

Camera

     
 
Slideshows
 
Basiaeschna janata (Springtime Darner)
Allen Chartier
  Basiaeschna janata (Springtime Darner)  
Spring Darner dragonfly
Andy Reago & Chrissy McClarren
  Spring Darner dragonfly  
     

 

slideshow

       
 
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Other Videos
 
     
     
     
       

 

Camcorder

 
 
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