The juvenile spider sat in a glass vials, one of thousands tucked away in the archives of Brazil’s Atlantic Forest ...

Researchers collected the unfortunate arachnids near grottos and caves in Rio de Janeiro state, a region similar to where ...

What looked like a pearl necklace on a tiny spider turned out to be parasitic mite larvae. Scientists identified the mites as a new species, marking the first record of its family in Brazil. The ...

The larvae themselves only measure half a millimeter long. Though tiny, this represents a remarkable (though quite gross) discovery. The mites belongs to a genus that had only been described in Costa ...

At Brazil's Butantan Institute, Ricardo Bassini-Silva identified mite larvae feeding on a millimeter-scale specimen in the museum's archive.