Pheidole alexeter
| Pheidole alexeter | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Formicidae |
| Subfamily: | Myrmicinae |
| Tribe: | Attini |
| Genus: | Pheidole |
| Species: | P. alexeter |
| Binomial name | |
| Pheidole alexeter Wilson, 2003 | |
Collected in a savanna. (Wilson 2003)
Contents
Identification
See the description in the nomenclature section.
Keys including this Species
Distribution
Only known from the type locality.
Distribution based on Regional Taxon Lists
Neotropical Region: Brazil (type locality).
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
Biology
Castes
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- alexeter. Pheidole alexeter Wilson, 2003: 648, figs. (s.w.) BRAZIL.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Description
DIAGNOSIS A very distinct member of the tristis group distinguished by the following combination of traits.
Major: head short-rectangular; humerus very prominently lobose in dorsal-oblique view; mesonotal convexity prominent and symmetrical in side view; propodeal spines equilaterally triangular and directed perpendicular to basal propodeal face; postpetiole spinose from above; faint, shallow antennal scrobes present; posterior two-thirds of the dorsal surface of the head mostly covered by loose rugoreticulum; pronotal dorsum transversely carinulate and humeri bearing weak patches of rugoreticula.
Minor: occiput narrowed, with nuchal collar; propodeal spines reduced to dentic1es; humeri with loose rugoreticula; most of body smooth and shiny.
MEASUREMENTS (mm) Holotype major: HW 1.44, HL 1.54, SL 0.72, EL 0.16, PW 0.72. Paratype minor: HW 0.62, HL 0.62, SL 0.66, EL 0.10, PW 0.40.
COLOR Major: body, mandibles, and antennae rich medium reddish brown, legs dark yellow.
Minor: concolorous dark yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
Type Material
BRAZIL: Vigia, near Belem, Para, col. William L. Brown. Museum of Comparative Zoology
Etymology
Gr alexeter, guard, defender.
References
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 648, fig. major, minor described)
References based on Global Ant Biodiversity Informatics
- Fichaux M., B. Bechade, J. Donald, A. Weyna, J. H. C. Delabie, J. Murienne, C. Baraloto, and J. Orivel. 2019. Habitats shape taxonomic and functional composition of Neotropical ant assemblages. Oecologia 189(2): 501-513.
- Franco W., N. Ladino, J. H. C. Delabie, A. Dejean, J. Orivel, M. Fichaux, S. Groc, M. Leponce, and R. M. Feitosa. 2019. First checklist of the ants (Hymenoptera: Formicidae) of French Guiana. Zootaxa 4674(5): 509-543.
