Colias dimera, the Dimera sulphur, is a butterfly in the family Pieridae. It is found in the Tropical Andes subregion of the Neotropical realm (Venezuela, Colombia, Peru, and Ecuador). The species was first discovered in Colombia. It is the most abundant butterfly in the interior of Ecuador. The wingspan is . There are two female forms: one is similar to the males, while the other is yellowish/greenish white. References External links Butterflies of America images of types dimera Butterflies described in 1847 Pieridae of South America