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Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Infraorder Araneomorphae - True Spiders

grass spider Crab Spider - Xysticus - female Salticidae from Mt Humbolt - Phidippus Spider - Titanoeca nigrella Wolf Spider - Tigrosa helluo - female Hypelistes - Hypselistes florens grey spider Phidippus pius - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
Numbers
93 families with ca. 38,500 spp. in 3450 genera worldwide (93% of all spiders)(1)
Identification
Features distinguishing araneomorphs from mygalomorphs:
two book lungs (=one pair); exceptions: Austrochilidae, Gradungulidae and Hypochilidae have four (=two pairs)
chelicerae and fangs open more or less perpendicular to the body axis
Habitat
extremely wide range of habitats
Remarks
Please don't post your spiders for ID at this level. If you are looking for an ID please post to the Spiders page. Thanks!