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

Interested in a 2022 BugGuide gathering in New Mexico?

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 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.

Previous events


TaxonomyBrowseInfoImagesLinksBooksData
Photo#1517934
Bibio genus march fly pair - Bibio vestitus - male - female

Bibio genus march fly pair - Bibio vestitus - Male Female
La Grande, Union County, Oregon, USA
May 8, 2018
It was a lucky break to find this pair of Bibio genus march flies "in copula". I was amazed to see this species' degree of sexual dimorphism. This pair was attracted to lights and discovered on my daily moth survey.

Images of this individual: tag all
Bibio genus march fly pair - Bibio vestitus - male - female Bibio genus march fly pair - Bibio vestitus - male - female

Moved
Moved from Bibio.

 
Thank you!
John,

Thank you for the species identification! That's great news!

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