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

Genus Dasymutilla

5014429 Mutillid - Dasymutilla - female Mutillidae - Dasymutilla - Dasymutilla vestita - female Found this in my backyard earlier today. - Dasymutilla occidentalis - female Dasymutilla - Dasymutilla bioculata velvet ant (wasp) maybe Pseudomethoca propinqua or something close - Dasymutilla velvet ant - Dasymutilla - male Female, Thistledown Velvet Ant? - Dasymutilla gloriosa - female Dasymutilla nigripes  - Dasymutilla nigripes - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Pompiloidea (Spider Wasps, Velvet Ants and allies)
Family Mutillidae (Velvet Ants)
Subfamily Sphaeropthalminae
Tribe Dasymutillini
Genus Dasymutilla
Explanation of Names
Dasymutilla Ashmead, 1899
from the Latin dasy-, after the Ancient Greek δασύς, ('hairy') + Mutilla (the nominate genus of the family)
89 in our area(1) (98 spp. listed in 2020(2) prior to additional synomymies)
5-25 mm
key to spp. in (2)
This genus includes D. occidentalis and D. klugii known for their large size (~1") and painful sting. However, members of this genus vary widely in sting intensity from anywhere between a 1 and a 3 on Schmidt's sting pain index.(3)
Works Cited
1.Velvet ants of North America
Williams, Kevin A; Pan, Aaron D.; & Wilson, Joseph S. 2024. Princeton Field Guides, 145: 440 pp.
2.Keys to nearctic Velvet Ants of the genus Dasymutilla Ashmead (Hymenoptera: Mutillidae), with notes on taxonomic changes...
Manley D.G. , Williams K.A., Pitts J.P. 2020. Proc. Ent Soc. Wash. 122: 335-414.
3.The Sting of the Wild: The Story of the Man Who Got Stung for Science
Justin O. Schmidt. 2016. John Hopkins University Press: Baltimore, MD.