Natural history of the fireflies of the Serra dos Órgãos mountain range (Brazil: Rio de Janeiro) - one of the ‘ hottest’ firefly spots on Earth, with a key to genera (Coleoptera: Lampyridae) Author Silveira, Luiz F L Author Khattar, Gabriel Author Vaz, Stephanie Author Wilson, Vinicius A. Author Souto, Paula M. Author Mermudes, José R. M. Author Stanger-Hall, Kathrin F. Author Macedo, Margarete V. Author Monteiro, Ricardo F. text Journal of Natural History 2020 2020-07-27 54 5 - 6 275 308 http://dx.doi.org/10.1080/00222933.2020.1749323 journal article 10.1080/00222933.2020.1749323 1464-5262 5021064 C. splendidus (Drury, 1782) ( Figure 4 F ) Differential diagnosis. Abdominal spiracles dorsal; sternum VIII asymmetric, with a parasagittal elongate projection; pygidium bisinuose, posterior corners acute; overall brown to dark-brown, except for the yellow pronotal margins, and a pale yellow submarginal elytron stripe, which is sinuose and progressively wider apically; abdominal spiracles dorsal; posterior margin of sternum VIII with an asymmetric narrow projection; pygidium with corners well-developed, acute, median third about 2x longer than posterior corners.