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

Order Trichoptera - Caddisflies


The information below is based on images submitted and identified by contributors. Range and date information may be incomplete, overinclusive, or just plain wrong.

Contributed Images Map No Images   Images
Range map for Caddisflies
Credits: Generated with MapServer. BugGuide integration kindly provided by Mike Boone.

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama  13212320143111592
Alaska  747211915221 
Alberta   2511921541  
Arizona4311820272834203018111
Arkansas   1211955111 
British Columbia139 317194036202214 
California327415810913715411385201718
Colorado11641514302928166  
Connecticut  5372912131822 
Delaware    145 32  
Florida10824121356814673
Georgia1 25141614111598  
Idaho      534711
Illinois   623401832265  
Indiana 232 211618910   
Iowa 2 11311371582  
Kansas   1510106 4  
Kentucky  4 14310762  
Louisiana 28102018171191232
Maine1 54254945393727153
Manitoba6    189112   
Maryland11831377810443275223
Massachusetts427568319925015614011934147
Michigan   420411517129  
Minnesota46912492939161  
JanFebMarAprMayJunJulAugSepOctNovDec
Mississippi 1 221   34 
Missouri  251112161484  
Montana   1971536686 
Nebraska 3  1010104 11 
Nevada2 7 661223 2
New Brunswick  2193039241273 
New Hampshire 1292326433719126135
New Jersey4  1338471215135 1
New Mexico  312166 2  
New York52212521098151401016 
Newfoundland/Labrador   162033153   
North Carolina  8383029131420945
North Dakota    517671   
Northwest Territories       3    
Nova Scotia   15310155311
Nunavut      2     
Ohio  241511158125  
Oklahoma   6168106314  
Ontario511 3371518773641261
Oregon8728193656416440721610
Pennsylvania  7354785684747232 
Quebec 3  1062954203961912922
Rhode Island   37493435177  
Saskatchewan    151378   
South Carolina 1497841111 
South Dakota    4111 2  
JanFebMarAprMayJunJulAugSepOctNovDec
Tennessee 121527121216112181
Texas261727682842131330165
Utah  3 176593  
Vermont4244152168912 
Virginia845163318758705173471648
Washington1167531833832848654 
West Virginia     22859 1 
Wisconsin1 116224694212034 
Wyoming    15955   
Yukon Territory  1  194    

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.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2025 Iowa State University, unless otherwise noted.

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