A. tumerus Seago & Wheeler, 2004: 237 .

Holotype male in AMNH.

Type locality: 19 km NW Boquete, Chiriquí Province, Panama.

Distribution: Costa Rica: Puntarenas Province; Panama: Chiriquí Province.

Biology: Found by sifting and on myxomycete plasmodium under bark of log. Notable for unusual asymetrical expansion of stem antennomeres and iridescense of elytra of males (Seago & Wheeler, 2004).