Scientists from the Universidad de La República in Uruguay have described three new species of tarantulas from northern Argentina. The newly discovered Melloleitaoina tarantulas belong to the same spider subfamily as the Costa Rican Tiger Rump (Cyclosternum fasciatum), shown here. Image credit: David Rimeš. The spider subfamily Theraphosinae to which the three new species belong is a large group of tarantulas distributed exclusively in the New World. The...
