AntWiki: The Ants --- Online

There are two species in this myrmecophilous genus.

List of Pachybrachis and their Host Ants
Genus and species Author and Year Ant Host Distribution Notes
Pachybrachis anoguttatus Suffrian, 1866 Formica selysi Neotropical, Palearctic
Pachybrachis pectoralis (Melsheimer, 1847) United States


  • Agrain FA (2010) Systematic revision of the genus Megalostomis and phylogenetic analysis of the subtribe Megalostomina (Coleoptera: Chrysomelidae). PhD Thesis, Universidad Nacional de Cuyo (PROBIOL), Mendoza.
  • LeSage L (1985) The eggs and larvae of Pachybrachis pecans and P. bivittatus with a key to the known immature stages of the Nearctic genera of Cryptocephalinae (Coleoptera: Chrysomelidae). Canadian Entomologist 116: 537–548. doi: 10.4039/Ent116537-4
  • Melsheimer, F.E. 1847. Descriptions of new species of Coleoptera of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia, 3: 158-181.
  • Schöller M (1995) Zur Evolution der Camptosoma (Coleoptera: Chrysomelidae). Entomologische Blätter für Biologie und Systematik der Käfer 91: 53–61.
  • Schöller M (1998) Zoosaprophagy and phytosaprophagy in chrysomelid beetle larvae, Macrolenes dentipes and Pachybrachis anoguttatus (Coleoptera: Chrysomelidae: Clytrinae and Cryptocephalinae). In: Biondi M, Daccordi M, Furth DG (Eds) Proceedings of a symposium 20 International Congress of Entomology. Museo Regionale di Scienze Naturali Florence, 281–285.
  • Stiefel VL (1993) The larval habit of Pachybrachis pectoralis (Melsheimer) and Cryptocephalus fulguratus LeConte (Coleoptera: Chrysomelidae). Journal of the Kansas Entomological Society 66: 450–453.