72 

 20. (19) Pronotum with 2 basal spots and a central stripe 



connecting the base and anterior margin (Fig. 48) . . . 



n . sp. 3 



20'. Pronotum without a central stripe, 4 free spots (Fig. 



49) undulatus Gorham 



21.(19') Color pattern lacking, uniformly colored, often 



paler at lateral margins 22 



21 ' . With distinct color pattern 25 



22.(21) Body with metallic blue sheen; strial punctures 



present only at base and along sutural margin; Cuba 



(Fig. 50) n. sp. 4 



22'. Body without metallic sheen; strial punctures present 



over entire elytral disc 23 



23.(22') Prosternum 2-3 times longer than the distance 



between the procoxae (Fig. lib); labial palps not 



expanded, squared or rounded (Fig. 7k) 24 



23'. Prosternum at most 1.5 times longer than the distance 



between the procoxae; labial palps expanded, securiform 



(Fig. 7j); (Fig. 51) n. sp. 5 



24.(23) Pronotal punctures distinctly larger laterally; 



shiny black; parabolically rounded at sides (Fig. 52) . 



n. sp. 6 



24'. Pronotal punctures same size throughout; dull brown; 



parallel-sided (Fig. 53) n. sp. 7 



25 . (21 ' ) Pronotum without free spots 26 



25 ' . Pronotum with free spots 32 



