Mutillidae durable, the exoskeleton is also round, making it more difficult for predators to pierce it with attempted stings or bites. During all the trials that led to the fracture of a velvet ant’s exoskeleton, a total of 4 times, resulted in the death of that velvet ant within 24 hours. Thus aside from protection from predators, the exoskeleton provides a function maintaining moisture control. Male mutillids fly in search of females; after mating, the female enters a host insect nest, typically a ground-nesting bee or wasp burrow, and deposits one egg near each larva or pupa. Only a few species
Myrmecia (ant) which was to determine what native Australian ants were associated with ant sting anaphylaxis, 265 of the 376 participants in the study reacted to the sting of several "Myrmecia" species. Of these, the majority of patients (176) reacted to "M. pilosula" venom and to those of several other species. In Perth, "M. gratiosa" was responsible for most cases of anaphylaxis due to ant stings, while "M nigriscapa" and "M. ludlowi" were responsible for two cases. The green-head ant ("Rhytidoponera metallica") was the only ant other than "Myrmecia" species to cause anaphylaxis in patients. Dogs are also at risk of death