Monarthrum xalapensis Wood, 1987

Atkinson, Thomas H. & Ibarra Juárez, Luís Arturo, 2021, Corrections and Additions to the Checklist of Bark and Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae, Platypodinae) of Mesic Montane Forest in Xalapa, Veracruz, Mexico, The Coleopterists Bulletin 75 (1), pp. 227-239 : 234

54. Monarthrum xalapensis Wood, 1987 . Ambrosial, polyphagous? Humid intermediate elevations in central Mexico.

55. ** Tricolus aciculatus Wood, 1974 . Ambrosial, polyphagous? Humid intermediate elevations in Puebla and Veracruz.

56. *** Tricolus angustatus Wood, 2007 . Ambrosial, polyphagous? Humid lowland and intermediate elevations from eastern Mexico to Brazil.

57. * Tricolus difodinus Bright, 1972 . Ambrosial, polyphagous. Known from a variety of hosts. Lowland and intermediate elevations from both coasts of Mexico to Guatemala.