18 in the peer-reviewed journal Tropical Lepidoptera Research. Brevioleria maculele, or the maculelê clearwing butterfly, is just half an inch long with a black and white body, according to the ...

A clearwing butterfly (Oleria sp.) specimen, from one of the 218 species of butterflies was observed during an expedition to the Peruvian region of Alto Mayo. (Photo: Reuters) ...