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

Discussion of 2018 gathering

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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Triorla interrupta

Robber Fly ID needed - Triorla interrupta - female Robber - Triorla interrupta Robber Fly - Triorla interrupta Robber Fly ID - Triorla interrupta - female Robber Fly - Triorla interrupta - female Large Robberfly from SC - Triorla interrupta Robber fly 071816rhpb - Triorla interrupta Giant Robber Fly? - Triorla interrupta - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Asilidae (Robber Flies)
Subfamily Asilinae
Genus Triorla
Species interrupta (Triorla interrupta)
Explanation of Names
Triorla interrupta (Macquart 1834)
20-25 mm
Large, gray, abdominal pattern of dark dashes on segments is distinctive, at least in e. US. Ovipositor long, somewhat rounded at tip, not pointed.
so. US (NC-KS to FL-TX-CA) to Columbia(1)
Typically open, grassy areas
Jun-Sep in e. NC(2)
Often takes very large insect prey, such as grasshoppers, dragonflies, horseflies(3)
Internet References