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Cladomorphus petropolisensis Costa, Mallet & Takiya, 2022 is a recently described species of stick insect from Petrópolis, Rio de Janeiro, Brazil. The species is closely related to C. phyllinus Gray, 1835 (Phasmatidae, Cladomorphinae). The description of the new species was based on morphological and molecular evidence. Cladomorphus petropolisensis can be distinguished from C. phyllinus by several characteristics: smaller size, the presence of two spines on the hind femora, the relative longer length of the ovipositor, and spiny tegument, especially in the mesonotum, sculpturing of the operculum of the egg.

Reference: Costa, Jane, Jacenir R. S. Mallet, and Daniela Maeda Takiya. 2022. "Cladomorphus petropolisensis, a New Species of Stick Insect from the Atlantic Forest, Rio de Janeiro, Brazil" Animals 12, no. 20: 2871.