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Stated in wikipedia: "Mutillidae are a family of more than 3,000 species of wasp whose wingless females resemble ants. Their common name velvet ant refers to their dense pile of hair which most often is bright scarlet or orange but may also be black, white, silver, or gold. Their bright colours serve as aposematic signals. They are known for their extremely painful sting, facetiously said to be strong enough to kill a cow, hence the common name cow killer or cow ant is applied to some species. Unlike a real ant, they do not have drones, workers, and queens. However, velvet ants do exhibit haplodiploid sex determination similar to other members of Vespoidea (JH Hunt 1999)."
This one was seen at the Laguna del Sauce, Uruguay. Glad it didn´t stink us...=).
My first impression (before the ID suggestion): "This black ant with big red spots on it was rushing - by itself and with no food - between leaves at the shore of the Laguna del Sauce. I had never seen one like this before and don´t know its id; thanks for the help in advance."
Spotted on Apr 4, 2012
Submitted on Apr 4, 2012