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

Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

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

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Genus Promachus - Giant Robber 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 Giant Robber Flies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
Alabama    2341184  
Alberta      2     
Arizona   232103567194 
Arkansas    17985   
California     485    
Colorado     22963   
Delaware       65   
Florida   7918834   
Georgia    41141910   
Idaho       3    
Illinois      81714   
Indiana      694   
Iowa     11135   
Kansas     82393   
Kentucky     35148   
Louisiana   114122113 1  
Manitoba       1    
Maryland      244122  
Massachusetts     121    
Michigan      372   
Minnesota      1174   
Mississippi    311 3   
Missouri    110242210   
Nebraska     253    
Nevada     14     
New Jersey       1110 2 
New Mexico    51021123  
North Carolina     41246283  
North Dakota      32    
Ohio      13244   
Oklahoma    1181362   
Ontario     31     
Oregon     113    
Pennsylvania      4172   
South Carolina      8144   
South Dakota      24    
Tennessee     711119   
Texas   221723828951 
Utah     6773   
Virginia      13812   
Washington    1 22    
West Virginia       68   
Wisconsin      6108   
Wyoming      1