Camponotus trepidulus

This species nests in dead limbs of oak (Quercus oblongifolia). Specimens from Nogales were collected from wood in tunnels of Ailanthus.

Identification
The propodeal angle of this species is low and completely rounded. The petiole is rectangular shaped in profile, the top of the node has a flattened face. (Mackay and Mackay 2002)

Distribution
United States, Arizona. Mexico, Baja California

Distribution based on Regional Taxon Lists
Nearctic Region: United States. Neotropical Region: Mexico.

Habitat
Oak woodlands.

Nomenclature

 * . Camponotus (Myrmobrachys) trepidulus Creighton, 1965b: 7, figs. 5-8 (s.w.q.m.) U.S.A. (Arizona).
 * Status as species: Hunt & Snelling, 1975: 22; Smith, D.R. 1979: 1435; Bolton, 1995b: 127; Mackay & Mackay, 2002: 307.

References based on Global Ant Biodiversity Informatics

 * Dattilo W. et al. 2019. MEXICO ANTS: incidence and abundance along the Nearctic-Neotropical interface. Ecology https://doi.org/10.1002/ecy.2944
 * Johnson R. Personnal Database. Accessed on February 5th 2014 at http://www.asu.edu/clas/sirgtools/resources.htm
 * Vasquez Bolanos M., and J. Escoto Rocha. 2018. Ants (Hymenoptera: Formicidae) of Aguascalientes. Investigacion y Ciencia 24(68): 36-40.
 * Vásquez-Bolaños M. 2011. Lista de especies de hormigas (Hymenoptera: Formicidae) para México. Dugesiana 18: 95-133