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

Clickable Guide

Interactive image map to choose major taxa 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

Calendar

Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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

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

Family Halonoproctidae - Cork-lid trapdoor spiders

Bothriocyrtum · Cyclocosmia · Hebestatis · Ummidia

Genus Bothriocyrtum
ID please - Bothriocyrtum californicum - male . - Bothriocyrtum californicum - male Bothriocyrtum californicum - female Bothriocyrtum californicum? - Bothriocyrtum californicum California trapdoor spider - Bothriocyrtum californicum - male Mature Male California Trapdoor Spider (Bothriocyrtum californicum) - Bothriocyrtum californicum - male Mature Male California Trapdoor Spider (Bothriocyrtum californicum) - Bothriocyrtum californicum - male Mature Male California Trapdoor Spider (Bothriocyrtum californicum) - Bothriocyrtum californicum - male

Genus Cyclocosmia
spider unknown - Cyclocosmia truncata - male Ravine Trapdoor Spider (Burrow) - Cyclocosmia truncata - female Is this a trapdoor spider? - Cyclocosmia truncata trapdoor spider? - Cyclocosmia truncata trapdoor spider? - Cyclocosmia truncata Black shiny spider - Cyclocosmia Torreya Trapdoor Spider - Cyclocosmia torreya - female Ravine Trapdoor Spider - Nashville, TN, USA - Cyclocosmia truncata - female

Genus Hebestatis
Hebestatis theveneti - female Hebestatis theveneti - female Hebestatis theveneti - male Hebestatis theveneti - female Hebestatis theveneti - female Hebestatis theveneti - female Hebestatis theveneti - female Hebestatis theveneti - female

Genus Ummidia
Black Spider - Ummidia Big black & whitish backside spider - Ummidia Spider - Ummidia Ummidia sp.? - Ummidia large black spider - Ummidia Large, chunky spider? - Ummidia - female Ummidia - Ummidia - male - female Ummidia sp. - Ummidia - male


Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

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