Key to the species of Paracriodion Fragoso

1. Pubescence of head and pronotum with long dense hairs or very short sparse hairs; elytra with sparse pubescence, with or without scattered long hairs; surface chestnut or brownish black.................................................... 2

- Head, pronotum and elytra glabrous, surface black and shining. Bolivia. (Figs 3–5).................... P. morrisi sp. nov.

2. Pubescence of head and pronotum with long dense hairs that obscure the surface; elytra with short sparse pubescence with a few long hairs intermixed. Brazil, Bahia to Santa Catarina (Fig. 1)........................ .. P. modestum (Buquet, 1852)

- Dorsal pubescence restricted to diminitive hairs on the pronotum and elytra with short semi-recumbent hairs emerging from shallow punctures. Colombia, Ecuador, French Guiana, Brazil (Amazonas, Mato Grosso) (Fig. 2)................................................................................................... .. P. romani (Aurivillius, 1926)