Pheidole peregrina

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Pheidole peregrina
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. peregrina
Binomial name
Pheidole peregrina
Wheeler, W.M., 1916

MCZ-ENT00020753 Pheidole peregrina hal.jpg

MCZ-ENT00020753 Pheidole peregrina had.jpg

Type Label

Synonyms

On the type series, by Hermann von Ihering, as quoted by W. M. Wheeler (1916: 180–181): “One morning, while [Mr. Gaste, a local naturalist] was on the island of San Sebastian, he found a tree trunk that had floated to the shore during the night and was filled with a living ant-colony belonging to a species of Pheidole [peregrina Wheeler] unknown to me. San Sebastian is situated some kilometers off the coast of the mainland. Of course, we cannot say how long this log had been floating in the water before it reached the island.” It may be that peregrina, like the anatomically similar and widespread vafra, is a specialist in marginal habitats. The types of the synonymous Pheidole impariceps var. fusciclava were collected on another island in the same area, Ilha dos Alcatrazes. (Wilson 2003)

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

Known from several localities in São Paulo state. (Wilson 2003)

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • peregrina. Pheidole peregrina Wheeler, W.M. 1916l: 181 (s.w.q.) BRAZIL. Senior synonym of fusciclava, impariceps: Wilson, 2003: 214.
  • fusciclava. Pheidole impariceps var. fusciclava Santschi, 1923d: 48 (s.w.m.) BRAZIL. Junior synonym of peregrina: Wilson, 2003: 214.
  • impariceps. Pheidole impariceps Santschi, 1923d: 47 (s.w.) BRAZIL. Junior synonym of peregrina: Wilson, 2003: 214.

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

Description

From Wilson (2003): A small, yellow member of the diligens group whose major has posterior two-thirds of head capsule smooth and shiny, rugoreticulum present as a small patch just mesad to the eye, moderately abundant pilosity, and short equilaterally triangular propodeal spine in side view.

Similar to Pheidole blumenauensis, Pheidole laevifrons, Pheidole mooreorum, Pheidole rochai and Pheidole vafra, differing in many details of body form, sculpturing, and pilosity, as figured.

See also the somewhat less similar Pheidole lemur, Pheidole pubiventris, Pheidole seeldrayersi, Pheidole spilota, Pheidole variegata (= Pheidole pubiventris), Pheidole venatrix and Pheidole zelata.

MEASUREMENTS (mm) Lectotype major: HW 1.00, HL 1.06, SL 0.74, EL 0.14, PW 0.56. Paralectotype minor: HW 0.54, HL 0.64, SL 0.76, EL 0.14, PW 0.36.

COLOR Major: concolorous dark yellow.

Minor: head light brownish yellow, rest of head and appendages clear dark yellow.


Pheidole peregrina Wilson 2003.jpg

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

Lectotype Specimen Labels

Type Material

BRAZIL: Isla São Sebastião, São Paulo. Museum of Comparative Zoology - as reported in Wilson (2003)

Etymology

L peregrina, traveling, foreign. Referring to discovery of the type colony on a floating log. (Wilson 2003)

References