Ultrastructural analysis of Coarazuphium formoso (Coleoptera: Carabidae, Zuphiini), a new Brazilian troglobitic beetle Author Pellegrini, Thaís Giovannini Author Ferreira, Rodrigo Lopes text Zootaxa 2011 2866 39 49 journal article 10.5281/zenodo.206526 7a2540b5-4dbf-4090-ac05-bd5c90c5b54e 1175-5326 206526 Key to species of the genus Coarazuphium (modifed from Gnaspini et al., 1998 ). 1. Eyeless; maximum width of elytra at middle....................................................... C. cessaima . - With very reduced eyes; maximum width of elytra near apex................................................... 2 2. Posterior margin of the elytra not sinuate............................................................. C. pains . - Posterior margin of the elytra sinuate...................................................................... 3 3. One pair of dorsal setae at the posterior border of head; head wider than pronotum (1.2)....................... C. tessai . - Two pairs of dorsal setae at the posterior border of head; head almost as wide as pronotum........................... 4 4. Head much narrower than elytra (0.55), with two pairs of setae on dorsal surface........................... C.bezerra . - Head slightly narrower than elytra (0.71), three pairs of setae on dorsal surface...................... C. formoso , sp. n.