Nothing is known about the biology of dwyeri.
See the description in the nomenclature section.
Keys including this Species
Only known from the type locality.
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- dwyeri. Pheidole dwyeri Gregg, 1969: 97, fig. 2 (s.w.) MEXICO. See also: Wilson, 2003: 541.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original 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.
MEXICO: Isla Maria Cleofas, Las Tres Marias, Nayarit, col. Roy R. Snelling. Los Angeles County Museum of Natural History, Museum of Comparative Zoology and American Museum of Natural History - as reported in Wilson (2003)
Named after Richard F. Dwyer, who sponsored the Snelling collecting tour of Las Tres Marias. (Wilson 2003)
- Gregg, R. E. 1969b. New species of Pheidole from Pacific Coast islands (Hymenoptera: Formicidae). Entomol. News 80: 93-101 (page 97, fig. 2 soldier, worker described)
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 541, fig. major, minor described)