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BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

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Infraorder Araneomorphae - True Spiders

Spider - Leucauge venusta Callobius severus? - Callobius severus - male Spider - Schizocosa unknown spider - Phidippus clarus - male Pelegrina exigua? - Pelegrina exigua - male Crab Spider - Synema parvulum Latrodectus hesperus male? - Latrodectus hesperus Long-jawed orbweaver - Tetragnatha
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!