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Upcoming Events

See 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

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

Previous events


Genus Anthrax

Bombyliidae-Anthrax - Anthrax Conophorus? - Anthrax larrea Orange County Beefly Archives, Revisited. - Anthrax varicolor Anthrax? - Anthrax ID request.  I think this is Hemipenthes moriordes - Anthrax georgicus Hemipenthes? - Anthrax argyropygus Anthrax aterrimus ? - Anthrax aterrimus Fly - diptera - Anthrax georgicus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Bombyliidae (Bee Flies)
Subfamily Anthracinae
Tribe Anthracini
Genus Anthrax
Explanation of Names
Anthrax Scopoli 1763
Greek ανθραξ = 'coal'
38 spp. in our area, ~250 total(1)
6‒7 mm
see (2)(3)
worldwide, most diverse in Eurasia & Africa; in our area, 11 spp. in the east (of which 4 transcontinental in the north), the rest are western(1)
Late May — early Jul in the north
Larvae feed on the larvae of solitary bees and wasps like Sceliphron and Tachysphex spp. Some have been reported parasitizing tiger beetles and megachilid bees.
Life Cycle
Females, while hovering, flip eggs into holes of ground nesting bees and wasps; larvae hatch and find stored food in cells