Who described a species found in a country that borders Guyana?
Mapeta xanthomelas Mapeta xanthomelas is a species of snout moth, and the type species in the genus "Mapeta". It was described by Walker in 1863, and is known from Guatemala and Venezuela.
Bronze corydoras The bronze corydoras ("Corydoras aeneus"), green corydoras, bronze catfish, lightspot corydoras or wavy catfish is a tropical freshwater fish in the "armored catfish" (Callichthyidae) family often kept in captivity by fish keepers. It is widely distributed in South America on the eastern side of the Andes, from Colombia and Trinidad to the Río de la Plata basin. It was originally described as "Hoplosoma aeneum" by Theodore Gill in 1858 and has also been referred to as "Callichthys aeneus".