Pheidole dwyeri

Nothing is known about the biology of dwyeri.

Identification
See the description in the nomenclature section.

Distribution
Only known from the type locality.

Distribution based on Regional Taxon Lists
Neotropical Region: Mexico.

Worker
Minor

Images from AntWeb
Major

Nomenclature

 *  dwyeri. Pheidole dwyeri Gregg, 1969: 97, fig. 2 (s.w.) MEXICO. See also: Wilson, 2003: 541.

Description
From Wilson (2003): DIAGNOSIS A very distinctive species in the small group of Pheidole that possess 4-segmented antennal clubs.

Major: very large; head disproportionately large, with Head Width more than 2.5X Pronotal Width; head tapered strongly toward occiput in side view; in full-face view, occiput deeply and subangularly concave; median ocellus present; small patch of rugoreticulum present laterad to each antennal fossa.

Minor: propodeal spine of medium length; occiput in full-face view broad and weakly concave.

MEASUREMENTS (mm) Paratype major: HW 2.56, HL 2.58, SL 1.24, EL 0.24, PW 1.00. Paratype minor: HW 0.66, HL 0.74, SL 0.76, EL 0.12, PW 0.42.



'''Figure. Upper: paratype, major. Lower: paratype, minor. Scale bars = 1 mm.'''

Type Material
MEXICO: Isla Maria Cleofas, Las Tres Marias, Nayarit, col. Roy R. Snelling. , and  - as reported in Wilson (2003)

Etymology
Named after Richard F. Dwyer, who sponsored the Snelling collecting tour of Las Tres Marias. (Wilson 2003)

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
 * Fernandes, P.R. XXXX. Los hormigas del suelo en Mexico: Diversidad, distribucion e importancia (Hymenoptera: Formicidae).
 * Field Museum Collection, Chicago, Illinois (C. Moreau)
 * Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
 * Vásquez-Bolaños M. 2011. Lista de especies de hormigas (Hymenoptera: Formicidae) para México. Dugesiana 18: 95-133
 * Wilson, E.O. 2003. Pheidole in the New World: A Dominant, Hyperdiverse Genus. Harvard University Press