Pheidole moseni

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Pheidole moseni
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. moseni
Binomial name
Pheidole moseni
Wheeler, W.M., 1925

MCZ-ENT00020766 Pheidole moseni hal.jpg

MCZ-ENT00020766 Pheidole moseni had.jpg

Type Label

The Espirito Santo colony was collected in montane forest. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


From Wilson (2003): Known from the types, of uncertain provenance in Brazil, and from "Reserva Nova Lombardia," 4 km north of Santa Teresa, Espirito Santo, 900 m, col. W. L. Brown.

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil (type locality).

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.

  • moseni. Pheidole moseni Wheeler, W.M. 1925a: 21 (s.w.q.) BRAZIL. See also: Wilson, 2003: 723.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


DIAGNOSIS From Wilson (2003): Similar in various ways to Pheidole binasifera, Pheidole diabolus, Pheidole gravida, Pheidole mirabilis, Pheidole mosenopsis, Pheidole nasifera, Pheidole rhinoceros and Pheidole unicornis, distinguished as follows.

Major: small; brownish yellow; frontal lobes project as rounded right angles forward and downward from head profile; eyes small,Eye Length much less than one-tenth Head Width; posterior half of head and all of pronotum smooth and shiny; rugoreticulum nowhere present on head; promesonotum drops through a steep posterior face to the metanotum; postpetiolar node from above 2X as wide as petiolar node, and spinose.

Minor: eyes very small, Eye Length much less than one-tenth Head Width; almost all of dorsal head surface, excluding occipital edge, frontal triangle, and midclypeus, carinulate; almost all of meso soma smooth.

MEASUREMENTS (mm) Lectotype major: HW 0.86, HL 0.96, SL 0.20, EL 0.06, PW 0.50. Paralectotype minor: HW 0.44, HL 0.46, SL 0.38, EL 0.04, PW 0.28.

COLOR Major and minor: concolorous brownish yellow.

Pheidole moseni Wilson 2003.jpg

Figure. Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.

Lectotype Specimen Labels

Type Material

BRAZIL: no further locality. Museum of Comparative Zoology and Naturhistoriska Riksmuseet - as reported in Wilson (2003)


Eponymous. (Wilson 2003)


  • Wheeler, W. M. 1925a. Neotropical ants in the collections of the Royal Museum of Stockholm. Ark. Zool. 17A(8 8: 1-55 (page 21, soldier, worker, queen described)
  • Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 723, fig. major, minor described)