Recognition Key for Teius:
1a) Above the light dorsolateral longitudinal band, there is a series or row of irregular dark spots, often anastomosed, which generally cannot be counted with certainty. Adult males with bright blue bellies: Teius teyou.
1b) Above the light dorsolateral longitudinal band, there are dark spots that can be individually recognized, generally rectangular, square, or triangular in shape, which can be counted relatively easily: 2)
2a) 10 to 15 dark spots on the light dorsolateral line, counting from the region above the tympanum to the base of the tail: Teius oculatus (both males and females observed).
2b) 16 to 22 dark spots on the light dorsolateral line, counting from the supratympanic region to the base of the tail: Teius suquiensis (only parthenogenetic females).
Author of this compilation: Carlos Grassini