Monarthrum – Page 9 – Bark and Ambrosia Beetles of the World

Monarthrum fenestratum

By | September 18, 2025

Monarthrum fastigiorum

By | September 18, 2025

Genus / Species: Monarthrum fastigiorum | Image Author: SM Smith | Location: Costa Rica, Cartago, Tapanti | Image Type: holotype | Collection: Entomology

Monarthrum fasciatum

By | September 18, 2025

Monarthrum exornatum

By | September 18, 2025

Genus / Species: Monarthrum exornatum | Image Author: TH Atkinson | Location: México, Oaxaca, Totolapan | Collection: Entomology

Based on examination of Wood’s homotypes, this may be a synonym of dimidiatum Ferrari.

Monarthrum elegans

By | September 18, 2025

Type lost, no other records, may not be identifiable

Monarthrum egenum

By | September 18, 2025

Genus / Species: Monarthrum egenum | Image Author: TH Atkinson | Location: Costa Rica, Heredia, La Selva Biol. Sta., 3 km S Pto. Viejo | Collection: Texas A&M University Insect Collection

Monarthrum duplocordatum

By | September 18, 2025

Wood & Bright (1992) cite from Bolivia, but Wood (2007) doesn’t mention.

Monarthrum dubiosum

By | September 18, 2025

Genus / Species: Monarthrum dubiosum | Image Author: TH Atkinson | Location: Brazil, Pernambuco, Caruaru | Image Type: holotype | Collection: Naturhistorisches Museum Wien

Monarthrum dimidiatum

By | September 18, 2025

Genus / Species: Monarthrum dimidiatum | Image Author: TH Atkinson | Location: Venezuela, Miranda, El Laurel Experimental Farm, 12 km SW Caracas | Collection: Entomology

Based on examination of Wood’s homotypes, this may be a synonym of exornatum Schedl.

Monarthrum difficile

By | September 18, 2025

Genus / Species: Monarthrum difficile | Image Author: TH Atkinson | Location: Costa Rica, San José, Escasú | Collection: Entomology