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

Calendar
Upcoming Events

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

National Moth Week 2020 photos of insects and people.

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

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


TaxonomyBrowseInfoImagesLinksBooks
Data

Infraorder Bibionomorpha - Gnats, Gall Midges, and March Flies


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 Gnats, Gall Midges, and March Flies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama111419192851720151020
Alaska 24 101312151   
Alberta11   4447  3
Arizona511053451942491110311
Arkansas  381626 266 
British Columbia12216153132114149620
California628321731613753823538305039
Colorado2 4939217682 1
Connecticut5 11121913129156  
Delaware  27411163  
District of Columbia    2 1     
Florida192534281915614115526
Georgia75382837171520261469
Idaho2  16 41  3 
Illinois21201744241431311653
Indiana 21234112291 
Iowa12293199132158191278141892140
Kansas  214231388165  
Kentucky 481010712168 
Louisiana2241143822613113
Maine  3726142138151362
Manitoba   732    1 
Maryland 1320877371404453692316
Massachusetts1014331052131087486110883822
Michigan2 869278754 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota 32 20132818244  
Mississippi   1136 71  
Missouri 1121121713210  
Montana  1 17681 1  
Nebraska3 666114311 1
Nevada 16 91   3  
New Brunswick 1 73532261922112 
New Hampshire 73242422262212266 
New Jersey21940861726354437191
New Mexico 73756651944 
New York  133295404127482410 
Newfoundland/Labrador   66301913114  
North Carolina6213518736171537985
North Dakota   162263   
Nova Scotia   2 6  25  
Ohio3 21761129486 
Oklahoma23641263212301916173
Ontario1031413613315233142 5
Oregon1013182522413491666
Pennsylvania 41658123639255659754
Prince Edward Island       3    
Quebec  634626304960322 
Rhode Island   72554195   
Saskatchewan2  6 1 8513 
South Carolina 48520 722437
Tennessee59153026178111810127
JanFebMarAprMayJunJulAugSepOctNovDec
Texas111447494131191258391410
Utah13141355 322  
Vermont   21338115164 
Virginia321528401692324941 
Washington141727553715823164685
West Virginia 5 421743421
Wisconsin12 4108190888445355 
Wyoming    22      
Yukon Territory     5