Monarthrum ferrugineum
Monarthrum discordum
Monarthrum collinum
Monarthrum bullatum
Monarthrum antillicum
Monarthrum ambiguum
Monarthrum eggersi
Monarthrum insidiosum
Monarthrum aztecum
Apparently all specimens assigned to morsum Wood from Mexico by Wood & Bright (1982:1059) and Noguera & Atkinson (1990:466) are actually this species. I have compared the types and they are similar, but distinct.
Read MoreMonarthrum lobellum
Listed as Monarthrum lobatum by Noguera & Atkinson (1994: 466), subsequently described as new by Wood.
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