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Pheidole tragica
| Pheidole tragica | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Formicidae |
| Subfamily: | Myrmicinae |
| Tribe: | Attini |
| Genus: | Pheidole |
| Species: | P. tragica |
| Binomial name | |
| Pheidole tragica Wheeler, W.M., 1934
| |
This species is only known from type specimens. Nothing is known about its biology.
Identification
See the description in the nomenclature section.
Keys including this Species
Distribution
Only known from the type locality.
Latitudinal Distribution Pattern
Latitudinal Range: 18.948899° to 18.948899°.
| North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Mexico (type locality).
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
Countries Occupied
| Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species. |
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Estimated Abundance
| Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species. |
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Biology
Castes
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- tragica. Pheidole tragica Wheeler, W.M. 1934g: 167 (s.w.) MEXICO. See also: Wilson, 2003: 526.
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): DIAGNOSIS A somewhat larger brown species, whose major has a bicolorous head, rugoreticulum mesad to the eye, conspicuous foveae scattered over the otherwise smooth posterior half of the dorsal head capsule, and cornulate postpetiole. The mesonotum of the major and minor has no dorsal convexity, and its posterior face descends abruptly to the metanotum.
Somewhat similar to Pheidole arhuaca, Pheidole caulicola, Pheidole chalca, Pheidole nitidicollis, Pheidole mixteca and Pheidole scabriventris, but easily distinguished by combinations of many or all of the above traits.
MEASUREMENTS (mm) Lectotype major: HW 1.04, HL 1.20, SL 0.60, EL 0.18, PW 0.56. Paralectotype minor: HW 0.54, HL 0.58, SL 0.50, EL 0.12, PW 0.34.
COLOR Major: head bicolorous, with anterior third brownish yellow and posterior two-thirds medium brown; rest of body concolorous medium brown.
Minor: body concolorous medium brown.
Figure. Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.
Type Material
A single soldier and three workers (No. A39) taken by Dr. Skwarra at Pedregal, near Mexico City. Museum of Comparative Zoology MEXICO: Pedregal, near Mexico City, col. Elisabeth Skwarra.
Etymology
Gr tragicus, pertaining to tragedy, significance unknown. (Wilson 2003)
References
- Wheeler, W. M. 1934g. Neotropical ants collected by Dr. Elisabeth Skwarra and others. Bulletin of the Museum of Comparative Zoology 77: 157-240 (page 167, soldier, worker described)
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 526, fig. major, minor described)
References based on Global Ant Biodiversity Informatics
- Fernandes, P.R. XXXX. Los hormigas del suelo en Mexico: Diversidad, distribucion e importancia (Hymenoptera: Formicidae).
- 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