Key to the known species of Cymatoderella  (Modified from Rifkind 1993)

 

1. Antennomere 4 longer and wider than 2 and 3 . .................................................................................................................................................................................................... morula.

 

-  Antennomeres 2-4  subequal. ................................................................................................................................................................................................................................................... 2.

 

 

2. Elytra densely pubescent. Vestiture short and pale, lending elytra grayish,  last 2-3 abdominal sternites reddish. .................................................................. patagoniae.

 

-  Elytra with short, pale pubescence that does not alter the cuticular color; last abdominal sternite only occasionally tinged with red. ...................................... collaris.

 

 

Literature Cited

 

Rifkind, J. (1993). A new species of Cymatoderella Barr (Coleoptera: Cleridae) from Mexico and Central America, with a key and distributional data for the genus. The Coleopterists' Bulletin, 279-284.