Mutillidae - Information from Wikipedia on this family of wingless wasps, commonly known as velvet ants. Red Velvet Ant, Cow Killer: Dasymutilla occidentalis - Photographs and information on the natural history of this wasp that has no wings and superficially resembles an ant. Family Mutillidae: Velvet Ants - Photographs and information about some species found in the Brisbane area of Queensland, Australia. Mutillidae: Velvet Ants - Provides photographs, distribution, biology and identification, with a key to the species found in Florida. Velvet Ants - Photographs, description, life history and habits. Red Velvet Ant or Cow Killer - Factsheet on the flightless wasp Dasymutilla occidentalis.