Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Sassacus vitis

Sassacus vitas for California in May - Sassacus vitis Sassacus vitis for California in December - Sassacus vitis Sassacus vitis for California in January - Sassacus vitis Sleek Jumper Seeks Identity - Sassacus vitis young sac spider maybe - Sassacus vitis Sassacus? - Sassacus vitis - female Sassacus vitis - female Sassacus vitis - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes)
Family Salticidae (Jumping Spiders)
Subfamily Dendryphantinae
Genus Sassacus
Species vitis (Sassacus vitis)
Synonyms and other taxonomic changes
Dendryphantes vitis
Icius vitis
Metaphidippus vitis
Dendryphantes apachecus
Explanation of Names
vitis is Latin for "grapevine"
Size
3.5 mm (male)
4.5 mm (female)
Range
Kansas south to Texas and west to California (both southern & northern).
Habitat
On shrubs and vines and in fields. Best know as a common resident in vineyards.
Food
Insects and smaller spiders. Said to like thrips and small flies, but not leafhoppers
Remarks
The body is covered in iridescent scales which flash either green or gold in strong light. This often doesn't show up well in photographs.

This iridescence has been explained as mimicking of certain beetles, but more recently it's been suggested that it may be for mimicking of water droplets.