Vivid Dancer
( Argia vivida )


2014-0420-EB550148-ODO00457-Argia_vivida[1421h39s,F,A,laterum]{EXD}-G.jpg

PHOTO COMMENT

IDENTIFICATION
Identification:Argia vivida
(Hagen in Selys ,1865 )
Common Name:Vivid Dancer
Life Stage:(A) adult
Sex:female

PHYLOGENY

Phylum:Arthropoda
Class:Insecta
Order:Odonata
Suborder:Zygoptera
Family:Coenagrionidae
Genus:Argia
Taxon Code:ODO00457
ITIS/TSN:102150

LOCATION DETAILS
Location Name
Tilden Regional Park, Tilden Regional Park, Tilden Regional Park, Berkeley
County:Alameda County
ECI Site#:CAEB550000
Open Space Location:Tilden Regional Park

RECOGNITION
Description
This damselfly occurs all over California, and is the most commonly seen damselfly in urban settings. Its perch is horizontal and its wings are held straight back over the abdomen when at rest. Thorax: Pronotum with two lateral black stripes that form an ""urn"". Stripes on the thorax sides are pinched mid-length. Abdomen: Sides of mid-segment have triangles that are small and backwards-pointing; outer segments have black streaks, or the first segment may bear the triangle. Males: A vivid blue, turning lavendar in cooler situations. Segments (last 3) 8-10 are wholly blue, with little or no markings. Similar in females, but color is consistent with whatever is the general coloring. Color of teneral adults is milky gray. Female: Tan or gray with black markings.
Body Length
30-40 mm.

BIOLOGY
Food
Adults are aerial predators known to even pluck spiders from their webs. Naiads are aquatic, feeding on aquatic invertebrates, including mosquito larvae.
Habitat
This damselfly occurs all over California, and is the most commonly seen damselfly in urban settings. During warm periods damselflies can be seen in riparian areas and far inland from waterways.
Range
Throughout western United States and western Canada.
Active Period
Whenever there are prolonged warm spells.

CREDITS
Photographer
Eddie Dunbar
Insect Sciences Museum of California

References
Species Argia vivida - Vivid Dancer. (http://bugguide.net/node/view/24800). Accessed March 12, 2016. .
ITIS.
California Damselflies aka California Zygoptera. (http://bigsnest.powweb.com/southwestdragonflies/damsels/2_Zygoptera.html). Accessed July 16, 2016.


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