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

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
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

Registration is open for the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2023

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

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


Previous events
TaxonomyBrowseInfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Asiloidea » Robber Flies (Asilidae) » Asilinae » Giant Robber Flies (Promachus) » Promachus nigrialbus
Photo#236741
Robberfly - Promachus nigrialbus
Copyright © 2008 Tom Bentley

Robberfly - Promachus nigrialbus
Saguaro National Park, Pima County, Arizona, USA
October 11, 2008
tag · login or register to post comments
Contributed by Tom Bentley on 28 October, 2008 - 7:41pm
Last updated 29 October, 2008 - 12:58pm

Moved
Moved from Robber Flies.
… Tom Bentley, 29 October, 2008 - 12:58pm login or register to post comments

Seems to be Promachus nigrial
Seems to be Promachus nigrialbus.
… Eric Fisher, 29 October, 2008 - 12:47pm login or register to post comments

 
Looked
Somewhat less white and bright than the others. But it does look right now. Must be lighting.
… Herschel Raney, 31 October, 2008 - 7:28am login or register to post comments

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.

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 © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact