Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Micrathena gracilis - Spined Micrathena

Micrathena sp. - Micrathena gracilis Spined Micrathena (Micrathena gracilis) - Female - Micrathena gracilis - female spiny spider - Micrathena gracilis Micrathena gracilis - Spined Micrathena - Micrathena gracilis - male Spider OK 080713 - Micrathena gracilis Spined-Micrathena - Micrathena gracilis Micrathena gracilis - female unknown spider - Micrathena gracilis - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Araneidae (Orb Weavers)
Genus Micrathena
Species gracilis (Spined Micrathena)
Explanation of Names
Latin: "slender, slight"
Size
Females 8 - 10 mm, males average 4.5 mm.
One specimen (a female) from Durham, North Carolina, 30 July, measured 11 mm from head to tip of abdomen.
Identification
Females are mostly white or pale yellow, mottled with black or brown. They have ten spines on the chunky abdomen. Size 8 - 10 mm.


Males are flat with an elongated yellowish or white abdomen. They lack all but one or two abdominal spines and are smaller than females, averaging 4.5mm in size.