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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Family Myrmosidae - Myrmosid Wasps

6007673 Tiphid or male Mutillid? - Myrmosa - male Unsure - Myrmosa - male - female Tiphiidae Unknown Hymenoptera - Myrmosa Myrmosa Wasps? - Myrmosa - female Mutillidae: Pseudomethoca?  - Myrmosa unicolor - male Hymenoptera. - Myrmosa Wasp
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 Myrmosidae (Myrmosid Wasps)
Synonyms and other taxonomic changes
Used to be variously treated as a subfamily of the Mutillidae or Tiphiidae; now recognized as a distinct family (closely related to the Mutillidae) based on molecular data(1)
16 spp. in 3 genera in our area(2)
Females are always wingless, much smaller than males, and have thorax divided in two distinct parts; males without a spine at the end of the abdomen.
Larvae are parasites of various bees and wasps
Works Cited
1.Molecular phylogenetics of Vespoidea indicate paraphyly of the superfamily...
Pilgrim E.M., von Dohlen C.D., Pitts J.P. 2008. Zoologica Scripta 37: 539–560.
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.